312625564 has 6 divisors (see below), whose sum is σ = 547094744. Its totient is φ = 156312780.

The previous prime is 312625561. The next prime is 312625619. The reversal of 312625564 is 465526213.

312625564 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312625561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39078192 + ... + 39078199.

Almost surely, 2^312625564 is an apocalyptic number.

It is an amenable number.

312625564 is a deficient number, since it is larger than the sum of its proper divisors (234469180).

312625564 is a wasteful number, since it uses less digits than its factorization.

312625564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78156395 (or 78156393 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 312625564 is about 17681.2206592192. The cubic root of 312625564 is about 678.6952808139.

The spelling of 312625564 in words is "three hundred twelve million, six hundred twenty-five thousand, five hundred sixty-four".