255379 has 4 divisors (see below), whose sum is σ = 268840. Its totient is φ = 241920.

The previous prime is 255371. The next prime is 255383. The reversal of 255379 is 973552.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255379 - 2³ = 255371 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255379.

It is not an unprimeable number, because it can be changed into a prime (255371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6702 + ... + 6739.

It is an arithmetic number, because the mean of its divisors is an integer number (67210).

2²⁵⁵³⁷⁹ is an apocalyptic number.

255379 is a deficient number, since it is larger than the sum of its proper divisors (13461).

255379 is a wasteful number, since it uses less digits than its factorization.

255379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13460.

The product of its digits is 9450, while the sum is 31.

The square root of 255379 is about 505.3503735034. The cubic root of 255379 is about 63.4446580047. Note that the first 3 decimals are identical.

The spelling of 255379 in words is "two hundred fifty-five thousand, three hundred seventy-nine".