330313409 has 2 divisors, whose sum is σ = 330313410. Its totient is φ = 330313408.

The previous prime is 330313397. The next prime is 330313427. The reversal of 330313409 is 904313033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185640625 + 144672784 = 13625^2 + 12028^2 .

It is a cyclic number.

It is not a de Polignac number, because 330313409 - 2¹² = 330309313 is a prime.

It is not a weakly prime, because it can be changed into another prime (330313429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165156704 + 165156705.

It is an arithmetic number, because the mean of its divisors is an integer number (165156705).

Almost surely, 2^330313409 is an apocalyptic number.

It is an amenable number.

330313409 is a deficient number, since it is larger than the sum of its proper divisors (1).

330313409 is an equidigital number, since it uses as much as digits as its factorization.

330313409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 26.

The square root of 330313409 is about 18174.5263762223. The cubic root of 330313409 is about 691.2610203306.

The spelling of 330313409 in words is "three hundred thirty million, three hundred thirteen thousand, four hundred nine".