255185265 has 16 divisors (see below), whose sum is σ = 414991296. Its totient is φ = 133867200.

The previous prime is 255185221. The next prime is 255185269. The reversal of 255185265 is 562581552.

It is not a de Polignac number, because 255185265 - 2⁹ = 255184753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255185269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138531 + ... + 140360.

It is an arithmetic number, because the mean of its divisors is an integer number (25936956).

Almost surely, 2^255185265 is an apocalyptic number.

It is an amenable number.

255185265 is a deficient number, since it is larger than the sum of its proper divisors (159806031).

255185265 is a wasteful number, since it uses less digits than its factorization.

255185265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278960.

The product of its digits is 120000, while the sum is 39.

The square root of 255185265 is about 15974.5192415922. The cubic root of 255185265 is about 634.2861053498.

The spelling of 255185265 in words is "two hundred fifty-five million, one hundred eighty-five thousand, two hundred sixty-five".