286255 has 4 divisors (see below), whose sum is σ = 343512. Its totient is φ = 229000.

The previous prime is 286249. The next prime is 286289. The reversal of 286255 is 552682.

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

It is not a de Polignac number, because 286255 - 2¹³ = 278063 is a prime.

It is a Duffinian number.

286255 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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, 28621 + ... + 28630.

It is an arithmetic number, because the mean of its divisors is an integer number (85878).

2²⁸⁶²⁵⁵ is an apocalyptic number.

286255 is a deficient number, since it is larger than the sum of its proper divisors (57257).

286255 is an equidigital number, since it uses as much as digits as its factorization.

286255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57256.

The product of its digits is 4800, while the sum is 28.

The square root of 286255 is about 535.0280366485. The cubic root of 286255 is about 65.9048982308.

The spelling of 286255 in words is "two hundred eighty-six thousand, two hundred fifty-five".