330289 has 2 divisors, whose sum is σ = 330290. Its totient is φ = 330288.

The previous prime is 330287. The next prime is 330311. The reversal of 330289 is 982033.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245025 + 85264 = 495^2 + 292^2 .

It is a cyclic number.

It is not a de Polignac number, because 330289 - 2¹ = 330287 is a prime.

Together with 330287, it forms a pair of twin primes.

It is an Ulam number.

It is a nialpdrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 330289.

It is not a weakly prime, because it can be changed into another prime (330287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165144 + 165145.

It is an arithmetic number, because the mean of its divisors is an integer number (165145).

2³³⁰²⁸⁹ is an apocalyptic number.

It is an amenable number.

330289 is a deficient number, since it is larger than the sum of its proper divisors (1).

330289 is an equidigital number, since it uses as much as digits as its factorization.

330289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 330289 is about 574.7077518183. The cubic root of 330289 is about 69.1243992658.

The spelling of 330289 in words is "three hundred thirty thousand, two hundred eighty-nine".