564984081 has 12 divisors (see below), whose sum is σ = 831486708. Its totient is φ = 369549024.

The previous prime is 564984047. The next prime is 564984113. The reversal of 564984081 is 180489465.

564984081 is a `hidden beast` number, since 564 + 9 + 8 + 4 + 0 + 81 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 459716481 + 105267600 = 21441^2 + 10260^2 .

It is not a de Polignac number, because 564984081 - 2⁷ = 564983953 is a prime.

It is a super-2 number, since 2×564984081² = 638414023566829122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (564984281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 591750 + ... + 592703.

It is an arithmetic number, because the mean of its divisors is an integer number (69290559).

Almost surely, 2^564984081 is an apocalyptic number.

It is an amenable number.

564984081 is a deficient number, since it is larger than the sum of its proper divisors (266502627).

564984081 is a wasteful number, since it uses less digits than its factorization.

564984081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184512 (or 1184509 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 564984081 is about 23769.3937869690. The cubic root of 564984081 is about 826.6951766926.

The spelling of 564984081 in words is "five hundred sixty-four million, nine hundred eighty-four thousand, eighty-one".