255726 has 12 divisors (see below), whose sum is σ = 554112. Its totient is φ = 85236.

The previous prime is 255713. The next prime is 255733. The reversal of 255726 is 627552.

255726 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 255726.

It is a congruent number.

It is an unprimeable number.

255726 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 5 ways as a sum of consecutive naturals, for example, 7086 + ... + 7121.

It is an arithmetic number, because the mean of its divisors is an integer number (46176).

2²⁵⁵⁷²⁶ is an apocalyptic number.

255726 is an abundant number, since it is smaller than the sum of its proper divisors (298386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255726 is a wasteful number, since it uses less digits than its factorization.

255726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14215 (or 14212 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 255726 is about 505.6935831114. The cubic root of 255726 is about 63.4733804560.

The spelling of 255726 in words is "two hundred fifty-five thousand, seven hundred twenty-six".