564757489 has 2 divisors, whose sum is σ = 564757490. Its totient is φ = 564757488.

The previous prime is 564757477. The next prime is 564757517. The reversal of 564757489 is 984757465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 406425600 + 158331889 = 20160^2 + 12583^2 .

It is a cyclic number.

It is not a de Polignac number, because 564757489 - 2¹¹ = 564755441 is a prime.

It is not a weakly prime, because it can be changed into another prime (564757409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282378744 + 282378745.

It is an arithmetic number, because the mean of its divisors is an integer number (282378745).

Almost surely, 2^564757489 is an apocalyptic number.

It is an amenable number.

564757489 is a deficient number, since it is larger than the sum of its proper divisors (1).

564757489 is an equidigital number, since it uses as much as digits as its factorization.

564757489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8467200, while the sum is 55.

The square root of 564757489 is about 23764.6268432728. The cubic root of 564757489 is about 826.5846440435.

It can be divided in two parts, 5647 and 57489, that added together give a palindrome (63136).

The spelling of 564757489 in words is "five hundred sixty-four million, seven hundred fifty-seven thousand, four hundred eighty-nine".