218259 has 6 divisors (see below), whose sum is σ = 315276. Its totient is φ = 145500.

The previous prime is 218249. The next prime is 218279. The reversal of 218259 is 952812.

218259 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 218259 - 2⁵ = 218227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (218249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12117 + ... + 12134.

It is an arithmetic number, because the mean of its divisors is an integer number (52546).

2²¹⁸²⁵⁹ is an apocalyptic number.

218259 is a deficient number, since it is larger than the sum of its proper divisors (97017).

218259 is a wasteful number, since it uses less digits than its factorization.

218259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24257 (or 24254 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 218259 is about 467.1819773921. The cubic root of 218259 is about 60.2084416958.

The spelling of 218259 in words is "two hundred eighteen thousand, two hundred fifty-nine".