330681473 has 2 divisors, whose sum is σ = 330681474. Its totient is φ = 330681472.

The previous prime is 330681451. The next prime is 330681479. The reversal of 330681473 is 374186033.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 326633329 + 4048144 = 18073^2 + 2012^2 .

It is a cyclic number.

It is not a de Polignac number, because 330681473 - 2²² = 326487169 is a prime.

It is not a weakly prime, because it can be changed into another prime (330681479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165340736 + 165340737.

It is an arithmetic number, because the mean of its divisors is an integer number (165340737).

Almost surely, 2^330681473 is an apocalyptic number.

It is an amenable number.

330681473 is a deficient number, since it is larger than the sum of its proper divisors (1).

330681473 is an equidigital number, since it uses as much as digits as its factorization.

330681473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 330681473 is about 18184.6493779781. The cubic root of 330681473 is about 691.5176794566.

The spelling of 330681473 in words is "three hundred thirty million, six hundred eighty-one thousand, four hundred seventy-three".