2565896 has 16 divisors (see below), whose sum is σ = 4923600. Its totient is φ = 1252944.

The previous prime is 2565881. The next prime is 2565907. The reversal of 2565896 is 6985652.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3386 + ... + 4073.

It is an arithmetic number, because the mean of its divisors is an integer number (307725).

2^2565896 is an apocalyptic number.

It is an amenable number.

2565896 is a deficient number, since it is larger than the sum of its proper divisors (2357704).

2565896 is a wasteful number, since it uses less digits than its factorization.

2565896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7508 (or 7504 counting only the distinct ones).

The product of its digits is 129600, while the sum is 41.

The square root of 2565896 is about 1601.8414403430. The cubic root of 2565896 is about 136.9030162343.

The spelling of 2565896 in words is "two million, five hundred sixty-five thousand, eight hundred ninety-six".