2565768 has 16 divisors (see below), whose sum is σ = 6414480. Its totient is φ = 855248.

The previous prime is 2565757. The next prime is 2565769. The reversal of 2565768 is 8675652.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2565769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53430 + ... + 53477.

It is an arithmetic number, because the mean of its divisors is an integer number (400905).

2^2565768 is an apocalyptic number.

It is an amenable number.

2565768 is an abundant number, since it is smaller than the sum of its proper divisors (3848712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2565768 is a wasteful number, since it uses less digits than its factorization.

2565768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106916 (or 106912 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 2565768 is about 1601.8014858278. The cubic root of 2565768 is about 136.9007397226.

It can be divided in two parts, 2565 and 768, that added together give a palindrome (3333).

The spelling of 2565768 in words is "two million, five hundred sixty-five thousand, seven hundred sixty-eight".