625006504 has 16 divisors (see below), whose sum is σ = 1175891220. Its totient is φ = 311435520.

The previous prime is 625006477. The next prime is 625006507. The reversal of 625006504 is 405600526.

It can be written as a sum of positive squares in 2 ways, for example, as 523036900 + 101969604 = 22870^2 + 10098^2 .

It is not an unprimeable number, because it can be changed into a prime (625006507) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 130977 + ... + 135664.

Almost surely, 2^625006504 is an apocalyptic number.

It is an amenable number.

625006504 is a deficient number, since it is larger than the sum of its proper divisors (550884716).

625006504 is a wasteful number, since it uses less digits than its factorization.

625006504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266940 (or 266936 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 625006504 is about 25000.1300796616. The cubic root of 625006504 is about 854.9909391103.

The spelling of 625006504 in words is "six hundred twenty-five million, six thousand, five hundred four".