625873648 has 20 divisors (see below), whose sum is σ = 1245405160. Its totient is φ = 304478784.

The previous prime is 625873639. The next prime is 625873673. The reversal of 625873648 is 846378526.

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 3 ways as a sum of consecutive naturals, for example, 528018 + ... + 529201.

It is an arithmetic number, because the mean of its divisors is an integer number (62270258).

Almost surely, 2^625873648 is an apocalyptic number.

It is an amenable number.

625873648 is a deficient number, since it is larger than the sum of its proper divisors (619531512).

625873648 is a wasteful number, since it uses less digits than its factorization.

625873648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057264 (or 1057258 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 49.

The square root of 625873648 is about 25017.4668581773. The cubic root of 625873648 is about 855.3861657442.

The spelling of 625873648 in words is "six hundred twenty-five million, eight hundred seventy-three thousand, six hundred forty-eight".