2565388 has 12 divisors (see below), whose sum is σ = 5130832. Its totient is φ = 1099440.

The previous prime is 2565383. The next prime is 2565389. The reversal of 2565388 is 8835652.

2565388 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

2565388 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2565383) 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, 45783 + ... + 45838.

2^2565388 is an apocalyptic number.

2565388 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2565388 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2565388 is a wasteful number, since it uses less digits than its factorization.

2565388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91632 (or 91630 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 2565388 is about 1601.6828649892. The cubic root of 2565388 is about 136.8939808821.

The spelling of 2565388 in words is "two million, five hundred sixty-five thousand, three hundred eighty-eight".