564515636 has 12 divisors (see below), whose sum is σ = 988576260. Its totient is φ = 282065280.

The previous prime is 564515621. The next prime is 564515639. The reversal of 564515636 is 636515465.

It can be written as a sum of positive squares in 2 ways, for example, as 128958736 + 435556900 = 11356^2 + 20870^2 .

It is a junction number, because it is equal to n+sod(n) for n = 564515593 and 564515602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564515639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41435 + ... + 53346.

It is an arithmetic number, because the mean of its divisors is an integer number (82381355).

Almost surely, 2^564515636 is an apocalyptic number.

It is an amenable number.

564515636 is a deficient number, since it is larger than the sum of its proper divisors (424060624).

564515636 is a wasteful number, since it uses less digits than its factorization.

564515636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96274 (or 96272 counting only the distinct ones).

The product of its digits is 324000, while the sum is 41.

The square root of 564515636 is about 23759.5377901170. The cubic root of 564515636 is about 826.4666343824.

The spelling of 564515636 in words is "five hundred sixty-four million, five hundred fifteen thousand, six hundred thirty-six".