259218 has 12 divisors (see below), whose sum is σ = 561678. Its totient is φ = 86400.

The previous prime is 259213. The next prime is 259219. The reversal of 259218 is 812952.

It can be written as a sum of positive squares in only one way, i.e., 131769 + 127449 = 363^2 + 357^2 .

It is a nialpdrome in base 8.

It is a zygodrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 259191 and 259200.

It is not an unprimeable number, because it can be changed into a prime (259211) 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, 7183 + ... + 7218.

2²⁵⁹²¹⁸ is an apocalyptic number.

259218 is an abundant number, since it is smaller than the sum of its proper divisors (302460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

259218 is a wasteful number, since it uses less digits than its factorization.

259218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14409 (or 14406 counting only the distinct ones).

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

The square root of 259218 is about 509.1345598170. The cubic root of 259218 is about 63.7609900315.

It can be divided in two parts, 2592 and 18, that multiplied together give a 6-th power (46656 = 6⁶).

The spelling of 259218 in words is "two hundred fifty-nine thousand, two hundred eighteen".