218059 has 8 divisors (see below), whose sum is σ = 235008. Its totient is φ = 201600.

The previous prime is 218047. The next prime is 218069. The reversal of 218059 is 950812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 218059 - 2¹⁵ = 185291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (218069) 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 7 ways as a sum of consecutive naturals, for example, 1654 + ... + 1780.

It is an arithmetic number, because the mean of its divisors is an integer number (29376).

2²¹⁸⁰⁵⁹ is an apocalyptic number.

218059 is a deficient number, since it is larger than the sum of its proper divisors (16949).

218059 is a wasteful number, since it uses less digits than its factorization.

218059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 218059 is about 466.9678789810. The cubic root of 218059 is about 60.1900455574.

The spelling of 218059 in words is "two hundred eighteen thousand, fifty-nine".