625325646 has 16 divisors (see below), whose sum is σ = 1364347008. Its totient is φ = 189492600.

The previous prime is 625325629. The next prime is 625325653. The reversal of 625325646 is 646523526.

625325646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 4737250 + ... + 4737381.

It is an arithmetic number, because the mean of its divisors is an integer number (85271688).

Almost surely, 2^625325646 is an apocalyptic number.

625325646 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

625325646 is an abundant number, since it is smaller than the sum of its proper divisors (739021362).

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

625325646 is a wasteful number, since it uses less digits than its factorization.

625325646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9474647.

The product of its digits is 259200, while the sum is 39.

The square root of 625325646 is about 25006.5120718584. The cubic root of 625325646 is about 855.1364400432.

The spelling of 625325646 in words is "six hundred twenty-five million, three hundred twenty-five thousand, six hundred forty-six".