525135604 has 24 divisors (see below), whose sum is σ = 1105549760. Its totient is φ = 213212736.

The previous prime is 525135587. The next prime is 525135619. The reversal of 525135604 is 406531525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493017 + ... + 494080.

Almost surely, 2^525135604 is an apocalyptic number.

It is an amenable number.

525135604 is an abundant number, since it is smaller than the sum of its proper divisors (580414156).

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

525135604 is a wasteful number, since it uses less digits than its factorization.

525135604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987127 (or 987125 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 525135604 is about 22915.8374056023. The cubic root of 525135604 is about 806.7837733436.

The spelling of 525135604 in words is "five hundred twenty-five million, one hundred thirty-five thousand, six hundred four".