564006865 has 8 divisors (see below), whose sum is σ = 693316008. Its totient is φ = 440200320.

The previous prime is 564006847. The next prime is 564006881. The reversal of 564006865 is 568600465.

564006865 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 4 ways, for example, as 58476609 + 505530256 = 7647^2 + 22484^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 564006865 - 2⁹ = 564006353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1375422 + ... + 1375831.

It is an arithmetic number, because the mean of its divisors is an integer number (86664501).

Almost surely, 2^564006865 is an apocalyptic number.

It is an amenable number.

564006865 is a deficient number, since it is larger than the sum of its proper divisors (129309143).

564006865 is a wasteful number, since it uses less digits than its factorization.

564006865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751299.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 564006865 is about 23748.8287079595. The cubic root of 564006865 is about 826.2182747784.

The spelling of 564006865 in words is "five hundred sixty-four million, six thousand, eight hundred sixty-five".