625688131325 has 12 divisors (see below), whose sum is σ = 793896383808. Its totient is φ = 488909794800.

The previous prime is 625688131319. The next prime is 625688131337. The reversal of 625688131325 is 523131886526.

It is not a de Polignac number, because 625688131325 - 2⁴ = 625688131309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291016661 + ... + 291018810.

It is an arithmetic number, because the mean of its divisors is an integer number (66158031984).

Almost surely, 2^625688131325 is an apocalyptic number.

It is an amenable number.

625688131325 is a deficient number, since it is larger than the sum of its proper divisors (168208252483).

625688131325 is a wasteful number, since it uses less digits than its factorization.

625688131325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582035524 (or 582035519 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 50.

The spelling of 625688131325 in words is "six hundred twenty-five billion, six hundred eighty-eight million, one hundred thirty-one thousand, three hundred twenty-five".