525903057 has 32 divisors (see below), whose sum is σ = 792780800. Its totient is φ = 344507904.

The previous prime is 525903011. The next prime is 525903067. The reversal of 525903057 is 750309525.

It is not a de Polignac number, because 525903057 - 2⁷ = 525902929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525903067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 410544 + ... + 411822.

It is an arithmetic number, because the mean of its divisors is an integer number (24774400).

Almost surely, 2^525903057 is an apocalyptic number.

It is an amenable number.

525903057 is a deficient number, since it is larger than the sum of its proper divisors (266877743).

525903057 is a wasteful number, since it uses less digits than its factorization.

525903057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542 (or 1536 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 36.

The square root of 525903057 is about 22932.5763271378. The cubic root of 525903057 is about 807.1766034632.

The spelling of 525903057 in words is "five hundred twenty-five million, nine hundred three thousand, fifty-seven".