564606943 has 2 divisors, whose sum is σ = 564606944. Its totient is φ = 564606942.

The previous prime is 564606883. The next prime is 564606947. The reversal of 564606943 is 349606465.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564606943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 564606943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564606947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282303471 + 282303472.

It is an arithmetic number, because the mean of its divisors is an integer number (282303472).

Almost surely, 2^564606943 is an apocalyptic number.

564606943 is a deficient number, since it is larger than the sum of its proper divisors (1).

564606943 is an equidigital number, since it uses as much as digits as its factorization.

564606943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 43.

The square root of 564606943 is about 23761.4591934081. The cubic root of 564606943 is about 826.5111906451.

The spelling of 564606943 in words is "five hundred sixty-four million, six hundred six thousand, nine hundred forty-three".