525804 has 24 divisors (see below), whose sum is σ = 1256640. Its totient is φ = 171024.

The previous prime is 525781. The next prime is 525809. The reversal of 525804 is 408525.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 525804.

It is not an unprimeable number, because it can be changed into a prime (525809) 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, 7 + ... + 1025.

It is an arithmetic number, because the mean of its divisors is an integer number (52360).

2⁵²⁵⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

525804 is an abundant number, since it is smaller than the sum of its proper divisors (730836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525804 is a wasteful number, since it uses less digits than its factorization.

525804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069 (or 1067 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 525804 is about 725.1234377677. The cubic root of 525804 is about 80.7125921427.

The spelling of 525804 in words is "five hundred twenty-five thousand, eight hundred four".