2565270 has 40 divisors (see below), whose sum is σ = 6899904. Its totient is φ = 683856.

The previous prime is 2565263. The next prime is 2565289. The reversal of 2565270 is 725652.

2565270 is a `hidden beast` number, since 2 + 5 + 652 + 7 + 0 = 666.

It is a super-2 number, since 2×2565270² = 13161220345800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 19 ways as a sum of consecutive naturals, for example, 774 + ... + 2393.

2^2565270 is an apocalyptic number.

2565270 is an abundant number, since it is smaller than the sum of its proper divisors (4334634).

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

2565270 is a wasteful number, since it uses less digits than its factorization.

2565270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3186 (or 3177 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 2565270 is about 1601.6460283096. The cubic root of 2565270 is about 136.8918819485.

The spelling of 2565270 in words is "two million, five hundred sixty-five thousand, two hundred seventy".