564668953 has 2 divisors, whose sum is σ = 564668954. Its totient is φ = 564668952.

The previous prime is 564668891. The next prime is 564668959. The reversal of 564668953 is 359866465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 530703369 + 33965584 = 23037^2 + 5828^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564668953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 564668953.

It is not a weakly prime, because it can be changed into another prime (564668959) 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, 282334476 + 282334477.

It is an arithmetic number, because the mean of its divisors is an integer number (282334477).

Almost surely, 2^564668953 is an apocalyptic number.

It is an amenable number.

564668953 is a deficient number, since it is larger than the sum of its proper divisors (1).

564668953 is an equidigital number, since it uses as much as digits as its factorization.

564668953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4665600, while the sum is 52.

The square root of 564668953 is about 23762.7640016897. The cubic root of 564668953 is about 826.5414477312.

The spelling of 564668953 in words is "five hundred sixty-four million, six hundred sixty-eight thousand, nine hundred fifty-three".