330345493 has 2 divisors, whose sum is σ = 330345494. Its totient is φ = 330345492.

The previous prime is 330345473. The next prime is 330345503. The reversal of 330345493 is 394543033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179104689 + 151240804 = 13383^2 + 12298^2 .

It is a cyclic number.

It is not a de Polignac number, because 330345493 - 2⁵ = 330345461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330345473) 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, 165172746 + 165172747.

It is an arithmetic number, because the mean of its divisors is an integer number (165172747).

Almost surely, 2^330345493 is an apocalyptic number.

It is an amenable number.

330345493 is a deficient number, since it is larger than the sum of its proper divisors (1).

330345493 is an equidigital number, since it uses as much as digits as its factorization.

330345493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 34.

The square root of 330345493 is about 18175.4090187814. The cubic root of 330345493 is about 691.2834007930.

The spelling of 330345493 in words is "three hundred thirty million, three hundred forty-five thousand, four hundred ninety-three".