255277617 has 16 divisors (see below), whose sum is σ = 390715392. Its totient is φ = 145227600.

The previous prime is 255277579. The next prime is 255277637. The reversal of 255277617 is 716772552.

It is not a de Polignac number, because 255277617 - 2¹¹ = 255275569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255277637) 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, 22009 + ... + 31542.

It is an arithmetic number, because the mean of its divisors is an integer number (24419712).

Almost surely, 2^255277617 is an apocalyptic number.

It is an amenable number.

255277617 is a deficient number, since it is larger than the sum of its proper divisors (135437775).

255277617 is a wasteful number, since it uses less digits than its factorization.

255277617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53788.

The product of its digits is 205800, while the sum is 42.

The square root of 255277617 is about 15977.4095835339. The cubic root of 255277617 is about 634.3626125433.

The spelling of 255277617 in words is "two hundred fifty-five million, two hundred seventy-seven thousand, six hundred seventeen".