564914805 has 64 divisors (see below), whose sum is σ = 1119713280. Its totient is φ = 236825856.

The previous prime is 564914771. The next prime is 564914843. The reversal of 564914805 is 508419465.

It is not a de Polignac number, because 564914805 - 2⁷ = 564914677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 221226 + ... + 223764.

It is an arithmetic number, because the mean of its divisors is an integer number (17495520).

Almost surely, 2^564914805 is an apocalyptic number.

It is an amenable number.

564914805 is a deficient number, since it is larger than the sum of its proper divisors (554798475).

564914805 is a wasteful number, since it uses less digits than its factorization.

564914805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 564914805 is about 23767.9364901541. The cubic root of 564914805 is about 826.6613866692.

The spelling of 564914805 in words is "five hundred sixty-four million, nine hundred fourteen thousand, eight hundred five".