64504125 has 48 divisors (see below), whose sum is σ = 132907008. Its totient is φ = 29484000.

The previous prime is 64504117. The next prime is 64504147. The reversal of 64504125 is 52140546.

64504125 is a `hidden beast` number, since 645 + 0 + 4 + 12 + 5 = 666.

64504125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64504125 - 2³ = 64504117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3780 + ... + 11970.

It is an arithmetic number, because the mean of its divisors is an integer number (2768896).

Almost surely, 2^64504125 is an apocalyptic number.

It is an amenable number.

64504125 is an abundant number, since it is smaller than the sum of its proper divisors (68402883).

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

64504125 is a wasteful number, since it uses less digits than its factorization.

64504125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8219 (or 8206 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 64504125 is about 8031.4460092813. The cubic root of 64504125 is about 401.0475148039.

The spelling of 64504125 in words is "sixty-four million, five hundred four thousand, one hundred twenty-five".