564677 has 4 divisors (see below), whose sum is σ = 573996. Its totient is φ = 555360.

The previous prime is 564671. The next prime is 564679. The reversal of 564677 is 776465.

564677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25921 + 538756 = 161^2 + 734^2 .

It is a cyclic number.

It is not a de Polignac number, because 564677 - 2¹⁶ = 499141 is a prime.

It is a super-2 number, since 2×564677² = 637720228658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 564677.

It is not an unprimeable number, because it can be changed into a prime (564671) 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, 4568 + ... + 4689.

It is an arithmetic number, because the mean of its divisors is an integer number (143499).

2⁵⁶⁴⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

564677 is a deficient number, since it is larger than the sum of its proper divisors (9319).

564677 is an equidigital number, since it uses as much as digits as its factorization.

564677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9318.

The product of its digits is 35280, while the sum is 35.

The square root of 564677 is about 751.4499317985. The cubic root of 564677 is about 82.6545374013.

The spelling of 564677 in words is "five hundred sixty-four thousand, six hundred seventy-seven".