255799 has 8 divisors (see below), whose sum is σ = 278208. Its totient is φ = 234240.

The previous prime is 255767. The next prime is 255803. The reversal of 255799 is 997552.

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

It is a cyclic number.

It is not a de Polignac number, because 255799 - 2⁵ = 255767 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255709) 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 7 ways as a sum of consecutive naturals, for example, 514 + ... + 880.

It is an arithmetic number, because the mean of its divisors is an integer number (34776).

2²⁵⁵⁷⁹⁹ is an apocalyptic number.

255799 is a deficient number, since it is larger than the sum of its proper divisors (22409).

255799 is a wasteful number, since it uses less digits than its factorization.

255799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425.

The product of its digits is 28350, while the sum is 37.

The square root of 255799 is about 505.7657560571. The cubic root of 255799 is about 63.4794196228.

The spelling of 255799 in words is "two hundred fifty-five thousand, seven hundred ninety-nine".