564978269 has 2 divisors, whose sum is σ = 564978270. Its totient is φ = 564978268.

The previous prime is 564978229. The next prime is 564978329. The reversal of 564978269 is 962879465.

It is a happy number.

564978269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 441546169 + 123432100 = 21013^2 + 11110^2 .

It is a cyclic number.

It is not a de Polignac number, because 564978269 - 2²⁰ = 563929693 is a prime.

It is a super-2 number, since 2×564978269² = 638400888884472722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564978229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282489134 + 282489135.

It is an arithmetic number, because the mean of its divisors is an integer number (282489135).

Almost surely, 2^564978269 is an apocalyptic number.

It is an amenable number.

564978269 is a deficient number, since it is larger than the sum of its proper divisors (1).

564978269 is an equidigital number, since it uses as much as digits as its factorization.

564978269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 56.

The square root of 564978269 is about 23769.2715285934. The cubic root of 564978269 is about 826.6923419409.

The spelling of 564978269 in words is "five hundred sixty-four million, nine hundred seventy-eight thousand, two hundred sixty-nine".