625641504 has 48 divisors (see below), whose sum is σ = 1695294720. Its totient is φ = 201818880.

The previous prime is 625641493. The next prime is 625641593. The reversal of 625641504 is 405146526.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102139 + ... + 108090.

It is an arithmetic number, because the mean of its divisors is an integer number (35318640).

Almost surely, 2^625641504 is an apocalyptic number.

It is an amenable number.

625641504 is an abundant number, since it is smaller than the sum of its proper divisors (1069653216).

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

625641504 is a wasteful number, since it uses less digits than its factorization.

625641504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210273 (or 210265 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 625641504 is about 25012.8267894694. The cubic root of 625641504 is about 855.2803950226.

The spelling of 625641504 in words is "six hundred twenty-five million, six hundred forty-one thousand, five hundred four".