564923 has 2 divisors, whose sum is σ = 564924. Its totient is φ = 564922.

The previous prime is 564919. The next prime is 564937. The reversal of 564923 is 329465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 564923 - 2² = 564919 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (564973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282461 + 282462.

It is an arithmetic number, because the mean of its divisors is an integer number (282462).

2⁵⁶⁴⁹²³ is an apocalyptic number.

564923 is a deficient number, since it is larger than the sum of its proper divisors (1).

564923 is an equidigital number, since it uses as much as digits as its factorization.

564923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 564923 is about 751.6135975353. The cubic root of 564923 is about 82.6665384002. Note that the first 3 decimals are identical.

The spelling of 564923 in words is "five hundred sixty-four thousand, nine hundred twenty-three".