255039 has 8 divisors (see below), whose sum is σ = 342912.
Its totient is φ = 168600.
The previous prime is 255023. The next prime is 255043. The reversal of 255039 is 930552.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 255039 - 24 = 255023 is a prime.
It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 255039.
It is not an unprimeable number, because it can be changed into a prime (255019) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172 + ... + 734.
It is an arithmetic number, because the mean of its divisors is an integer number (42864).
2255039 is an apocalyptic number.
255039 is a deficient number, since it is larger than the sum of its proper divisors (87873).
255039 is a wasteful number, since it uses less digits than its factorization.
255039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 717.
The product of its (nonzero) digits is 1350, while the sum is 24.
The square root of 255039 is about 505.0138611959.
The cubic root of 255039 is about 63.4164897218.
The spelling of 255039 in words is "two hundred fifty-five thousand, thirty-nine".