564565065 has 16 divisors (see below), whose sum is σ = 918113856. Its totient is φ = 296164800.

The previous prime is 564565049. The next prime is 564565097. The reversal of 564565065 is 560565465.

It is not a de Polignac number, because 564565065 - 2⁴ = 564565049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307591 + ... + 309420.

It is an arithmetic number, because the mean of its divisors is an integer number (57382116).

Almost surely, 2^564565065 is an apocalyptic number.

It is an amenable number.

564565065 is a deficient number, since it is larger than the sum of its proper divisors (353548791).

564565065 is a wasteful number, since it uses less digits than its factorization.

564565065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617080.

The product of its (nonzero) digits is 540000, while the sum is 42.

The square root of 564565065 is about 23760.5779601423. The cubic root of 564565065 is about 826.4907554899.

The spelling of 564565065 in words is "five hundred sixty-four million, five hundred sixty-five thousand, sixty-five".