564542717 has 2 divisors, whose sum is σ = 564542718. Its totient is φ = 564542716.

The previous prime is 564542609. The next prime is 564542723. The reversal of 564542717 is 717245465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 560458276 + 4084441 = 23674^2 + 2021^2 .

It is a cyclic number.

It is not a de Polignac number, because 564542717 - 2¹⁸ = 564280573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564542747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282271358 + 282271359.

It is an arithmetic number, because the mean of its divisors is an integer number (282271359).

Almost surely, 2^564542717 is an apocalyptic number.

It is an amenable number.

564542717 is a deficient number, since it is larger than the sum of its proper divisors (1).

564542717 is an equidigital number, since it uses as much as digits as its factorization.

564542717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235200, while the sum is 41.

The square root of 564542717 is about 23760.1076807324. The cubic root of 564542717 is about 826.4798499509.

The spelling of 564542717 in words is "five hundred sixty-four million, five hundred forty-two thousand, seven hundred seventeen".