2565492 has 12 divisors (see below), whose sum is σ = 5986176. Its totient is φ = 855160.

The previous prime is 2565463. The next prime is 2565559. The reversal of 2565492 is 2945652.

2565492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106884 + ... + 106907.

It is an arithmetic number, because the mean of its divisors is an integer number (498848).

2^2565492 is an apocalyptic number.

It is an amenable number.

2565492 is an abundant number, since it is smaller than the sum of its proper divisors (3420684).

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

2565492 is a wasteful number, since it uses less digits than its factorization.

2565492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213798 (or 213796 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 2565492 is about 1601.7153305129. The cubic root of 2565492 is about 136.8958307364.

The spelling of 2565492 in words is "two million, five hundred sixty-five thousand, four hundred ninety-two".