525507 has 8 divisors (see below), whose sum is σ = 715776. Its totient is φ = 342792.

The previous prime is 525493. The next prime is 525517. The reversal of 525507 is 705525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 525507 - 2⁴ = 525491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (525517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1723 + ... + 2004.

It is an arithmetic number, because the mean of its divisors is an integer number (89472).

2⁵²⁵⁵⁰⁷ is an apocalyptic number.

525507 is a deficient number, since it is larger than the sum of its proper divisors (190269).

525507 is a wasteful number, since it uses less digits than its factorization.

525507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777.

The product of its (nonzero) digits is 1750, while the sum is 24.

The square root of 525507 is about 724.9186161218. The cubic root of 525507 is about 80.6973924645.

The spelling of 525507 in words is "five hundred twenty-five thousand, five hundred seven".