255602065 has 8 divisors (see below), whose sum is σ = 307433448. Its totient is φ = 204007680.

The previous prime is 255602063. The next prime is 255602071. The reversal of 255602065 is 560206552.

It can be written as a sum of positive squares in 4 ways, for example, as 5740816 + 249861249 = 2396^2 + 15807^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255602065 - 2¹ = 255602063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255602063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56866 + ... + 61195.

It is an arithmetic number, because the mean of its divisors is an integer number (38429181).

Almost surely, 2^255602065 is an apocalyptic number.

It is an amenable number.

255602065 is a deficient number, since it is larger than the sum of its proper divisors (51831383).

255602065 is a wasteful number, since it uses less digits than its factorization.

255602065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118499.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 255602065 is about 15987.5596949628. The cubic root of 255602065 is about 634.6312489001.

The spelling of 255602065 in words is "two hundred fifty-five million, six hundred two thousand, sixty-five".