255830 has 8 divisors (see below), whose sum is σ = 460512. Its totient is φ = 102328.

The previous prime is 255803. The next prime is 255839. The reversal of 255830 is 38552.

255830 is nontrivially palindromic in base 15.

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

It is a junction number, because it is equal to n+sod(n) for n = 255796 and 255805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12782 + ... + 12801.

It is an arithmetic number, because the mean of its divisors is an integer number (57564).

2²⁵⁵⁸³⁰ is an apocalyptic number.

255830 is a deficient number, since it is larger than the sum of its proper divisors (204682).

255830 is a wasteful number, since it uses less digits than its factorization.

255830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25590.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 255830 is about 505.7964017270. The cubic root of 255830 is about 63.4819838529.

The spelling of 255830 in words is "two hundred fifty-five thousand, eight hundred thirty".