625971916 has 12 divisors (see below), whose sum is σ = 1096008088. Its totient is φ = 312826752.

The previous prime is 625971911. The next prime is 625971917. The reversal of 625971916 is 619179526.

625971916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×625971916² = 783681679241422112, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) 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 (625971911) 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, 30726 + ... + 46861.

Almost surely, 2^625971916 is an apocalyptic number.

It is an amenable number.

625971916 is a deficient number, since it is larger than the sum of its proper divisors (470036172).

625971916 is a wasteful number, since it uses less digits than its factorization.

625971916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79608 (or 79606 counting only the distinct ones).

The product of its digits is 204120, while the sum is 46.

The square root of 625971916 is about 25019.4307689044. The cubic root of 625971916 is about 855.4309312700.

The spelling of 625971916 in words is "six hundred twenty-five million, nine hundred seventy-one thousand, nine hundred sixteen".