2565255 has 32 divisors (see below), whose sum is σ = 5119488. Its totient is φ = 1065600.

The previous prime is 2565239. The next prime is 2565257. The reversal of 2565255 is 5525652.

It is not a de Polignac number, because 2565255 - 2⁴ = 2565239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45 + ... + 2265.

It is an arithmetic number, because the mean of its divisors is an integer number (159984).

2^2565255 is an apocalyptic number.

2565255 is a deficient number, since it is larger than the sum of its proper divisors (2554233).

2565255 is a wasteful number, since it uses less digits than its factorization.

2565255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247.

The product of its digits is 15000, while the sum is 30.

The square root of 2565255 is about 1601.6413456202. The cubic root of 2565255 is about 136.8916151303.

The spelling of 2565255 in words is "two million, five hundred sixty-five thousand, two hundred fifty-five".