2560565 has 16 divisors (see below), whose sum is σ = 3542400. Its totient is φ = 1740480.

The previous prime is 2560549. The next prime is 2560583. The reversal of 2560565 is 5650652.

It is not a de Polignac number, because 2560565 - 2⁴ = 2560549 is a prime.

It is a congruent number.

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, 4970 + ... + 5460.

It is an arithmetic number, because the mean of its divisors is an integer number (221400).

2^2560565 is an apocalyptic number.

It is an amenable number.

2560565 is a deficient number, since it is larger than the sum of its proper divisors (981835).

2560565 is a wasteful number, since it uses less digits than its factorization.

2560565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 2560565 is about 1600.1765527591. The cubic root of 2560565 is about 136.8081389148.

It can be divided in two parts, 2560 and 565, that added together give a 5-th power (3125 = 5⁵).

The spelling of 2560565 in words is "two million, five hundred sixty thousand, five hundred sixty-five".