216259 has 2 divisors, whose sum is σ = 216260. Its totient is φ = 216258.

The previous prime is 216233. The next prime is 216263. The reversal of 216259 is 952612.

216259 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 216259 - 2¹¹ = 214211 is a prime.

It is not a weakly prime, because it can be changed into another prime (216289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108129 + 108130.

It is an arithmetic number, because the mean of its divisors is an integer number (108130).

2²¹⁶²⁵⁹ is an apocalyptic number.

216259 is a deficient number, since it is larger than the sum of its proper divisors (1).

216259 is an equidigital number, since it uses as much as digits as its factorization.

216259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 25.

The square root of 216259 is about 465.0365577027. The cubic root of 216259 is about 60.0239719027.

It can be divided in two parts, 2 and 16259, that added together give a palindrome (16261).

The spelling of 216259 in words is "two hundred sixteen thousand, two hundred fifty-nine".