564857212 has 12 divisors (see below), whose sum is σ = 995135400. Its totient is φ = 280532816.

The previous prime is 564857201. The next prime is 564857257. The reversal of 564857212 is 212758465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473278 + ... + 474469.

It is an arithmetic number, because the mean of its divisors is an integer number (82927950).

Almost surely, 2^564857212 is an apocalyptic number.

It is an amenable number.

564857212 is a deficient number, since it is larger than the sum of its proper divisors (430278188).

564857212 is a wasteful number, since it uses less digits than its factorization.

564857212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947900 (or 947898 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 564857212 is about 23766.7248900643. The cubic root of 564857212 is about 826.6332930364.

The spelling of 564857212 in words is "five hundred sixty-four million, eight hundred fifty-seven thousand, two hundred twelve".