564763531 has 2 divisors, whose sum is σ = 564763532. Its totient is φ = 564763530.

The previous prime is 564763499. The next prime is 564763547. The reversal of 564763531 is 135367465.

564763531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 564763531 - 2⁵ = 564763499 is a prime.

It is a super-2 number, since 2×564763531² = 637915691895175922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (564763231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282381765 + 282381766.

It is an arithmetic number, because the mean of its divisors is an integer number (282381766).

Almost surely, 2^564763531 is an apocalyptic number.

564763531 is a deficient number, since it is larger than the sum of its proper divisors (1).

564763531 is an equidigital number, since it uses as much as digits as its factorization.

564763531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 40.

The square root of 564763531 is about 23764.7539646427. The cubic root of 564763531 is about 826.5875917433.

The spelling of 564763531 in words is "five hundred sixty-four million, seven hundred sixty-three thousand, five hundred thirty-one".