564516493 has 2 divisors, whose sum is σ = 564516494. Its totient is φ = 564516492.

The previous prime is 564516487. The next prime is 564516517. The reversal of 564516493 is 394615465.

564516493 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., 538332804 + 26183689 = 23202^2 + 5117^2 .

It is a cyclic number.

It is not a de Polignac number, because 564516493 - 2⁹ = 564515981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564516193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282258246 + 282258247.

It is an arithmetic number, because the mean of its divisors is an integer number (282258247).

Almost surely, 2^564516493 is an apocalyptic number.

It is an amenable number.

564516493 is a deficient number, since it is larger than the sum of its proper divisors (1).

564516493 is an equidigital number, since it uses as much as digits as its factorization.

564516493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 43.

The square root of 564516493 is about 23759.5558249728. Note that the first 3 decimals coincide. The cubic root of 564516493 is about 826.4670526062.

The spelling of 564516493 in words is "five hundred sixty-four million, five hundred sixteen thousand, four hundred ninety-three".