330985217 has 2 divisors, whose sum is σ = 330985218. Its totient is φ = 330985216.

The previous prime is 330985183. The next prime is 330985253. The reversal of 330985217 is 712589033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 328914496 + 2070721 = 18136^2 + 1439^2 .

It is a cyclic number.

It is not a de Polignac number, because 330985217 - 2⁸ = 330984961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (330985717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165492608 + 165492609.

It is an arithmetic number, because the mean of its divisors is an integer number (165492609).

Almost surely, 2^330985217 is an apocalyptic number.

It is an amenable number.

330985217 is a deficient number, since it is larger than the sum of its proper divisors (1).

330985217 is an equidigital number, since it uses as much as digits as its factorization.

330985217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 330985217 is about 18192.9991205408. Note that the first 3 decimals coincide. The cubic root of 330985217 is about 691.7293434340.

The spelling of 330985217 in words is "three hundred thirty million, nine hundred eighty-five thousand, two hundred seventeen".