2565374 has 32 divisors (see below), whose sum is σ = 4755456. Its totient is φ = 1013760.

The previous prime is 2565349. The next prime is 2565377. The reversal of 2565374 is 4735652.

It is a super-5 number, since 5×2565374⁵ (a number of 33 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2¹¹ + 5⁷ + 6² + 5⁹ + 3¹² + 7³ + 4⁴ .

It is a self number, because there is not a number n which added to its sum of digits gives 2565374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9854 + ... + 10110.

It is an arithmetic number, because the mean of its divisors is an integer number (148608).

2^2565374 is an apocalyptic number.

2565374 is a deficient number, since it is larger than the sum of its proper divisors (2190082).

2565374 is a wasteful number, since it uses less digits than its factorization.

2565374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320.

The product of its digits is 25200, while the sum is 32.

The square root of 2565374 is about 1601.6784945800. The cubic root of 2565374 is about 136.8937318595.

The spelling of 2565374 in words is "two million, five hundred sixty-five thousand, three hundred seventy-four".