523925864 has 32 divisors (see below), whose sum is σ = 1224763200. Its totient is φ = 204126720.

The previous prime is 523925791. The next prime is 523925887. The reversal of 523925864 is 468529325.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424649 + ... + 425880.

It is an arithmetic number, because the mean of its divisors is an integer number (38273850).

Almost surely, 2^523925864 is an apocalyptic number.

It is an amenable number.

523925864 is an abundant number, since it is smaller than the sum of its proper divisors (700837336).

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

523925864 is a wasteful number, since it uses less digits than its factorization.

523925864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850553 (or 850549 counting only the distinct ones).

The product of its digits is 518400, while the sum is 44.

The square root of 523925864 is about 22889.4269041407. The cubic root of 523925864 is about 806.1637753753.

The spelling of 523925864 in words is "five hundred twenty-three million, nine hundred twenty-five thousand, eight hundred sixty-four".