326659 has 2 divisors, whose sum is σ = 326660. Its totient is φ = 326658.

The previous prime is 326657. The next prime is 326663. The reversal of 326659 is 956623.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 326659 - 2¹ = 326657 is a prime.

It is a super-2 number, since 2×326659² = 213412204562, which contains 22 as substring.

Together with 326657, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 326659.

It is not a weakly prime, because it can be changed into another prime (326657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163329 + 163330.

It is an arithmetic number, because the mean of its divisors is an integer number (163330).

2³²⁶⁶⁵⁹ is an apocalyptic number.

326659 is a deficient number, since it is larger than the sum of its proper divisors (1).

326659 is an equidigital number, since it uses as much as digits as its factorization.

326659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 31.

The square root of 326659 is about 571.5408996739. The cubic root of 326659 is about 68.8702314873.

It can be divided in two parts, 3 and 26659, that added together give a palindrome (26662).

The spelling of 326659 in words is "three hundred twenty-six thousand, six hundred fifty-nine".