564357609 has 6 divisors (see below), whose sum is σ = 815183226. Its totient is φ = 376238400.

The previous prime is 564357581. The next prime is 564357613. The reversal of 564357609 is 906753465.

564357609 is a `hidden beast` number, since 5 + 6 + 4 + 35 + 7 + 609 = 666.

564357609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 399800025 + 164557584 = 19995^2 + 12828^2 .

It is not a de Polignac number, because 564357609 - 2⁷ = 564357481 is a prime.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (564357679) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31353192 + ... + 31353209.

It is an arithmetic number, because the mean of its divisors is an integer number (135863871).

Almost surely, 2^564357609 is an apocalyptic number.

It is an amenable number.

564357609 is a deficient number, since it is larger than the sum of its proper divisors (250825617).

564357609 is a wasteful number, since it uses less digits than its factorization.

564357609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62706407 (or 62706404 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The square root of 564357609 is about 23756.2120086515. The cubic root of 564357609 is about 826.3895085402.

The spelling of 564357609 in words is "five hundred sixty-four million, three hundred fifty-seven thousand, six hundred nine".