564772961 has 2 divisors, whose sum is σ = 564772962. Its totient is φ = 564772960.

The previous prime is 564772951. The next prime is 564772969. The reversal of 564772961 is 169277465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 559795600 + 4977361 = 23660^2 + 2231^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564772961 is a prime.

It is not a weakly prime, because it can be changed into another prime (564772969) 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 as a sum of consecutive naturals, namely, 282386480 + 282386481.

It is an arithmetic number, because the mean of its divisors is an integer number (282386481).

Almost surely, 2^564772961 is an apocalyptic number.

It is an amenable number.

564772961 is a deficient number, since it is larger than the sum of its proper divisors (1).

564772961 is an equidigital number, since it uses as much as digits as its factorization.

564772961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 47.

The square root of 564772961 is about 23764.9523668784. The cubic root of 564772961 is about 826.5921922986.

The spelling of 564772961 in words is "five hundred sixty-four million, seven hundred seventy-two thousand, nine hundred sixty-one".