564458373 has 12 divisors (see below), whose sum is σ = 815749740. Its totient is φ = 376111296.

The previous prime is 564458351. The next prime is 564458393. The reversal of 564458373 is 373854465.

564458373 is a `hidden beast` number, since 5 + 64 + 4 + 583 + 7 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 309161889 + 255296484 = 17583^2 + 15978^2 .

It is not a de Polignac number, because 564458373 - 2⁶ = 564458309 is a prime.

It is a super-2 number, since 2×564458373² = 637226509699614258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564458303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3465 + ... + 33777.

It is an arithmetic number, because the mean of its divisors is an integer number (67979145).

Almost surely, 2^564458373 is an apocalyptic number.

It is an amenable number.

564458373 is a deficient number, since it is larger than the sum of its proper divisors (251291367).

564458373 is a wasteful number, since it uses less digits than its factorization.

564458373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32388 (or 32385 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The square root of 564458373 is about 23758.3327066526. The cubic root of 564458373 is about 826.4386885612.

The spelling of 564458373 in words is "five hundred sixty-four million, four hundred fifty-eight thousand, three hundred seventy-three".