255363 has 4 divisors (see below), whose sum is σ = 340488. Its totient is φ = 170240.

The previous prime is 255361. The next prime is 255371. The reversal of 255363 is 363552.

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 255363 - 2¹ = 255361 is a prime.

It is a D-number.

255363 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (255361) 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, 42558 + ... + 42563.

It is an arithmetic number, because the mean of its divisors is an integer number (85122).

2²⁵⁵³⁶³ is an apocalyptic number.

255363 is a deficient number, since it is larger than the sum of its proper divisors (85125).

255363 is an equidigital number, since it uses as much as digits as its factorization.

255363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85124.

The product of its digits is 2700, while the sum is 24.

The square root of 255363 is about 505.3345426547. The cubic root of 255363 is about 63.4433329992.

The spelling of 255363 in words is "two hundred fifty-five thousand, three hundred sixty-three".