255899 has 8 divisors (see below), whose sum is σ = 295680. Its totient is φ = 216936.

The previous prime is 255887. The next prime is 255907. The reversal of 255899 is 998552.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255899 is a prime.

It is a plaindrome in base 10.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 255899.

It is not an unprimeable number, because it can be changed into a prime (255839) 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, 842 + ... + 1104.

It is an arithmetic number, because the mean of its divisors is an integer number (36960).

2²⁵⁵⁸⁹⁹ is an apocalyptic number.

255899 is a deficient number, since it is larger than the sum of its proper divisors (39781).

255899 is a wasteful number, since it uses less digits than its factorization.

255899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409.

The product of its digits is 32400, while the sum is 38.

The square root of 255899 is about 505.8646063919. The cubic root of 255899 is about 63.4876905894.

The spelling of 255899 in words is "two hundred fifty-five thousand, eight hundred ninety-nine".