564665337 has 10 divisors (see below), whose sum is σ = 843512538. Its totient is φ = 376443504.

The previous prime is 564665317. The next prime is 564665357. The reversal of 564665337 is 733566465.

564665337 is a `hidden beast` number, since 56 + 4 + 66 + 533 + 7 = 666.

564665337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (564665317) and next prime (564665357).

It can be written as a sum of positive squares in only one way, i.e., 559842921 + 4822416 = 23661^2 + 2196^2 .

It is not a de Polignac number, because 564665337 - 2⁷ = 564665209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 564665292 and 564665301.

It is not an unprimeable number, because it can be changed into a prime (564665317) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3485508 + ... + 3485669.

Almost surely, 2^564665337 is an apocalyptic number.

It is an amenable number.

564665337 is a deficient number, since it is larger than the sum of its proper divisors (278847201).

564665337 is an equidigital number, since it uses as much as digits as its factorization.

564665337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6971189 (or 6971180 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 45.

The square root of 564665337 is about 23762.6879161428. The cubic root of 564665337 is about 826.5396834053.

The spelling of 564665337 in words is "five hundred sixty-four million, six hundred sixty-five thousand, three hundred thirty-seven".