255668265 has 32 divisors (see below), whose sum is σ = 460765440. Its totient is φ = 134483328.

The previous prime is 255668249. The next prime is 255668267. The reversal of 255668265 is 562866552.

255668265 is a `hidden beast` number, since 2 + 5 + 566 + 82 + 6 + 5 = 666.

255668265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 255668265 - 2⁴ = 255668249 is a prime.

It is a super-2 number, since 2×255668265² = 130732523456220450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 255668265.

It is not an unprimeable number, because it can be changed into a prime (255668267) 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, 3117 + ... + 22826.

It is an arithmetic number, because the mean of its divisors is an integer number (14398920).

Almost surely, 2^255668265 is an apocalyptic number.

It is an amenable number.

255668265 is a deficient number, since it is larger than the sum of its proper divisors (205097175).

255668265 is a wasteful number, since it uses less digits than its factorization.

255668265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26030 (or 26024 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 255668265 is about 15989.6299206705. The cubic root of 255668265 is about 634.6860332282.

The spelling of 255668265 in words is "two hundred fifty-five million, six hundred sixty-eight thousand, two hundred sixty-five".