255311763 has 16 divisors (see below), whose sum is σ = 411932160. Its totient is φ = 137310336.

The previous prime is 255311743. The next prime is 255311773. The reversal of 255311763 is 367113552.

It is not a de Polignac number, because 255311763 - 2⁶ = 255311699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255311713) 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, 357223 + ... + 357936.

It is an arithmetic number, because the mean of its divisors is an integer number (25745760).

Almost surely, 2^255311763 is an apocalyptic number.

255311763 is a deficient number, since it is larger than the sum of its proper divisors (156620397).

255311763 is a wasteful number, since it uses less digits than its factorization.

255311763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715186.

The product of its digits is 18900, while the sum is 33.

The square root of 255311763 is about 15978.4781190200. The cubic root of 255311763 is about 634.3908954513.

The spelling of 255311763 in words is "two hundred fifty-five million, three hundred eleven thousand, seven hundred sixty-three".