255911683 has 4 divisors (see below), whose sum is σ = 256039840. Its totient is φ = 255783528.

The previous prime is 255911681. The next prime is 255911687. The reversal of 255911683 is 386119552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255911683 - 2¹ = 255911681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255911681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61035 + ... + 65092.

It is an arithmetic number, because the mean of its divisors is an integer number (64009960).

Almost surely, 2^255911683 is an apocalyptic number.

255911683 is a deficient number, since it is larger than the sum of its proper divisors (128157).

255911683 is a wasteful number, since it uses less digits than its factorization.

255911683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128156.

The product of its digits is 64800, while the sum is 40.

The square root of 255911683 is about 15997.2398556751. The cubic root of 255911683 is about 634.8873944208.

The spelling of 255911683 in words is "two hundred fifty-five million, nine hundred eleven thousand, six hundred eighty-three".