odd, composite, palindrome · 525th positive integer
The number 525
525 is an odd composite number. It is the 525th positive integer.
Quick reference
| Prime factorization | 3 × 5 × 5 × 7 |
| Divisors | 1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525 |
| Binary | 1000001101 |
| Hexadecimal | 0x20D |
| Roman numeral | DXXV |
| Digit sum | 12 |
| Properties | odd, composite, palindrome |
Reading 525 in NumGrid context
For 525, the underlying data on this page comes from classical number theory plus NumGrid solver-derived puzzle statistics. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
Every number on this page links back to classical number theory plus NumGrid solver-derived puzzle statistics; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for 525 is typically a peer within positive integers within the NumGrid target pool with similar size, similar exposure, or similar geography — not the national-level summary alone.
Frequently asked
Is 525 a prime number?
No. 525 is composite. Its prime factorization is 3 × 5 × 5 × 7.
What are the factors of 525?
The factors (divisors) of 525 are 1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525.
What is 525 in binary?
525 in binary is 1000001101. In hexadecimal it's 20D.
What is 525 as a Roman numeral?
525 in Roman numerals is DXXV.
What's the digit sum of 525?
Adding the digits of 525: 5 + 2 + 5 = 12.