564087493 has 2 divisors, whose sum is σ = 564087494. Its totient is φ = 564087492.

The previous prime is 564087487. The next prime is 564087521. The reversal of 564087493 is 394780465.

564087493 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., 368563204 + 195524289 = 19198^2 + 13983^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564087493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564087593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282043746 + 282043747.

It is an arithmetic number, because the mean of its divisors is an integer number (282043747).

Almost surely, 2^564087493 is an apocalyptic number.

It is an amenable number.

564087493 is a deficient number, since it is larger than the sum of its proper divisors (1).

564087493 is an equidigital number, since it uses as much as digits as its factorization.

564087493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 564087493 is about 23750.5261625927. The cubic root of 564087493 is about 826.2576437749.

The spelling of 564087493 in words is "five hundred sixty-four million, eighty-seven thousand, four hundred ninety-three".