525863417625 has 128 divisors (see below), whose sum is σ = 1196632120320. Its totient is φ = 221902675200.

The previous prime is 525863417617. The next prime is 525863417683. The reversal of 525863417625 is 526714368525.

525863417625 is a `hidden beast` number, since 5 + 2 + 5 + 8 + 6 + 3 + 4 + 1 + 7 + 625 = 666.

It is not a de Polignac number, because 525863417625 - 2³ = 525863417617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 548982 + ... + 1163231.

It is an arithmetic number, because the mean of its divisors is an integer number (9348688440).

Almost surely, 2^525863417625 is an apocalyptic number.

It is an amenable number.

525863417625 is an abundant number, since it is smaller than the sum of its proper divisors (670768702695).

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

525863417625 is a wasteful number, since it uses less digits than its factorization.

525863417625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712257 (or 1712241 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 54.

The spelling of 525863417625 in words is "five hundred twenty-five billion, eight hundred sixty-three million, four hundred seventeen thousand, six hundred twenty-five".