564697 has 4 divisors (see below), whose sum is σ = 645376. Its totient is φ = 484020.

The previous prime is 564679. The next prime is 564701. The reversal of 564697 is 796465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 796465 = 5 ⋅159293.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40329 + ... + 40342.

It is an arithmetic number, because the mean of its divisors is an integer number (161344).

2⁵⁶⁴⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

564697 is a deficient number, since it is larger than the sum of its proper divisors (80679).

564697 is an equidigital number, since it uses as much as digits as its factorization.

564697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80678.

The product of its digits is 45360, while the sum is 37.

The square root of 564697 is about 751.4632392872. The cubic root of 564697 is about 82.6555132224.

It can be divided in two parts, 56 and 4697, that added together give a triangular number (4753 = T₉₇).

The spelling of 564697 in words is "five hundred sixty-four thousand, six hundred ninety-seven".