565065 has 24 divisors (see below), whose sum is σ = 1015560. Its totient is φ = 290304.

The previous prime is 565057. The next prime is 565069. The reversal of 565065 is 560565.

565065 is a `hidden beast` number, since 5 + 650 + 6 + 5 = 666.

565065 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 7056 + 558009 = 84^2 + 747^2 .

It is not a de Polignac number, because 565065 - 2³ = 565057 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565069) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1089 + ... + 1521.

It is an arithmetic number, because the mean of its divisors is an integer number (42315).

2⁵⁶⁵⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

565065 is a deficient number, since it is larger than the sum of its proper divisors (450495).

565065 is a wasteful number, since it uses less digits than its factorization.

565065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 565065 is about 751.7080550320. The cubic root of 565065 is about 82.6734642202.

The spelling of 565065 in words is "five hundred sixty-five thousand, sixty-five".