564805937 has 4 divisors (see below), whose sum is σ = 565316340. Its totient is φ = 564295536.

The previous prime is 564805897. The next prime is 564805949. The reversal of 564805937 is 739508465.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29855296 + 534950641 = 5464^2 + 23129^2 .

It is a cyclic number.

It is not a de Polignac number, because 564805937 - 2¹² = 564801841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 564805891 and 564805900.

It is not an unprimeable number, because it can be changed into a prime (564807937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253538 + ... + 255755.

It is an arithmetic number, because the mean of its divisors is an integer number (141329085).

Almost surely, 2^564805937 is an apocalyptic number.

It is an amenable number.

564805937 is a deficient number, since it is larger than the sum of its proper divisors (510403).

564805937 is a wasteful number, since it uses less digits than its factorization.

564805937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510402.

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 564805937 is about 23765.6461515356. The cubic root of 564805937 is about 826.6082796916.

The spelling of 564805937 in words is "five hundred sixty-four million, eight hundred five thousand, nine hundred thirty-seven".