625812620 has 12 divisors (see below), whose sum is σ = 1314206544. Its totient is φ = 250325040.

The previous prime is 625812581. The next prime is 625812623. The reversal of 625812620 is 26218526.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (625812623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15645296 + ... + 15645335.

It is an arithmetic number, because the mean of its divisors is an integer number (109517212).

Almost surely, 2^625812620 is an apocalyptic number.

It is an amenable number.

625812620 is an abundant number, since it is smaller than the sum of its proper divisors (688393924).

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

625812620 is a wasteful number, since it uses less digits than its factorization.

625812620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31290640 (or 31290638 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 625812620 is about 25016.2471206214. The cubic root of 625812620 is about 855.3583623668.

The spelling of 625812620 in words is "six hundred twenty-five million, eight hundred twelve thousand, six hundred twenty".