564506613 has 24 divisors (see below), whose sum is σ = 908459136. Its totient is φ = 334843200.

The previous prime is 564506611. The next prime is 564506617. The reversal of 564506613 is 316605465.

564506613 is a `hidden beast` number, since 5 + 645 + 0 + 6 + 6 + 1 + 3 = 666.

It is not a de Polignac number, because 564506613 - 2¹ = 564506611 is a prime.

It is a super-2 number, since 2×564506613² = 637335432241463538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564506611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56008 + ... + 65313.

It is an arithmetic number, because the mean of its divisors is an integer number (37852464).

Almost surely, 2^564506613 is an apocalyptic number.

It is an amenable number.

564506613 is a deficient number, since it is larger than the sum of its proper divisors (343952523).

564506613 is a wasteful number, since it uses less digits than its factorization.

564506613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121385 (or 121382 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 564506613 is about 23759.3479077183. The cubic root of 564506613 is about 826.4622310511.

The spelling of 564506613 in words is "five hundred sixty-four million, five hundred six thousand, six hundred thirteen".