625808004 has 12 divisors (see below), whose sum is σ = 1460218704. Its totient is φ = 208602664.

The previous prime is 625807999. The next prime is 625808017. The reversal of 625808004 is 400808526.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26075322 + ... + 26075345.

It is an arithmetic number, because the mean of its divisors is an integer number (121684892).

Almost surely, 2^625808004 is an apocalyptic number.

It is an amenable number.

625808004 is an abundant number, since it is smaller than the sum of its proper divisors (834410700).

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

625808004 is a wasteful number, since it uses less digits than its factorization.

625808004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52150674 (or 52150672 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 625808004 is about 25016.1548604097. The cubic root of 625808004 is about 855.3562593177.

The spelling of 625808004 in words is "six hundred twenty-five million, eight hundred eight thousand, four".