523997204625 has 128 divisors (see below), whose sum is σ = 1026672192000. Its totient is φ = 263245248000.

The previous prime is 523997204573. The next prime is 523997204663. The reversal of 523997204625 is 526402799325.

523997204625 is a `hidden beast` number, since 5 + 2 + 3 + 9 + 9 + 7 + 2 + 0 + 4 + 625 = 666.

It is not a de Polignac number, because 523997204625 - 2⁸ = 523997204369 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, 3947586 + ... + 4078164.

It is an arithmetic number, because the mean of its divisors is an integer number (8020876500).

Almost surely, 2^523997204625 is an apocalyptic number.

It is an amenable number.

523997204625 is a deficient number, since it is larger than the sum of its proper divisors (502674987375).

523997204625 is a wasteful number, since it uses less digits than its factorization.

523997204625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130673 (or 130657 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 523997204625 in words is "five hundred twenty-three billion, nine hundred ninety-seven million, two hundred four thousand, six hundred twenty-five".