2565472 has 48 divisors (see below), whose sum is σ = 6223392. Its totient is φ = 1013760.

The previous prime is 2565463. The next prime is 2565559. The reversal of 2565472 is 2745652.

It is an Ulam number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2472 + ... + 3352.

It is an arithmetic number, because the mean of its divisors is an integer number (129654).

2^2565472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2565472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3111696).

2565472 is an abundant number, since it is smaller than the sum of its proper divisors (3657920).

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

2565472 is a wasteful number, since it uses less digits than its factorization.

2565472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911 (or 903 counting only the distinct ones).

The product of its digits is 16800, while the sum is 31.

The square root of 2565472 is about 1601.7090871941. The cubic root of 2565472 is about 136.8954749990.

The spelling of 2565472 in words is "two million, five hundred sixty-five thousand, four hundred seventy-two".