564515263 has 6 divisors (see below), whose sum is σ = 611280024. Its totient is φ = 521090856.

The previous prime is 564515227. The next prime is 564515291. The reversal of 564515263 is 362515465.

It is not a de Polignac number, because 564515263 - 2⁹ = 564514751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564515863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1669995 + ... + 1670332.

It is an arithmetic number, because the mean of its divisors is an integer number (101880004).

Almost surely, 2^564515263 is an apocalyptic number.

564515263 is a deficient number, since it is larger than the sum of its proper divisors (46764761).

564515263 is a wasteful number, since it uses less digits than its factorization.

564515263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340353 (or 3340340 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

The square root of 564515263 is about 23759.5299406365. The cubic root of 564515263 is about 826.4664523549.

The spelling of 564515263 in words is "five hundred sixty-four million, five hundred fifteen thousand, two hundred sixty-three".