255355 has 4 divisors (see below), whose sum is σ = 306432. Its totient is φ = 204280.

The previous prime is 255349. The next prime is 255361. The reversal of 255355 is 553552.

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

It is an interprime number because it is at equal distance from previous prime (255349) and next prime (255361).

It is not a de Polignac number, because 255355 - 2¹¹ = 253307 is a prime.

It is a d-powerful number, because it can be written as 2³ + 5² + 3¹¹ + 5² + 5² + 5⁷ .

It is a Duffinian number.

It is an unprimeable 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 3 ways as a sum of consecutive naturals, for example, 25531 + ... + 25540.

It is an arithmetic number, because the mean of its divisors is an integer number (76608).

2²⁵⁵³⁵⁵ is an apocalyptic number.

255355 is a deficient number, since it is larger than the sum of its proper divisors (51077).

255355 is an equidigital number, since it uses as much as digits as its factorization.

255355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51076.

The product of its digits is 3750, while the sum is 25.

The square root of 255355 is about 505.3266270443. The cubic root of 255355 is about 63.4426704757.

It can be divided in two parts, 255 and 355, that multiplied together give a triangular number (90525 = T₄₂₅).

The spelling of 255355 in words is "two hundred fifty-five thousand, three hundred fifty-five".