330925649 has 2 divisors, whose sum is σ = 330925650. Its totient is φ = 330925648.

The previous prime is 330925613. The next prime is 330925681. The reversal of 330925649 is 946529033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 280060225 + 50865424 = 16735^2 + 7132^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-330925649 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (330922649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165462824 + 165462825.

It is an arithmetic number, because the mean of its divisors is an integer number (165462825).

Almost surely, 2^330925649 is an apocalyptic number.

It is an amenable number.

330925649 is a deficient number, since it is larger than the sum of its proper divisors (1).

330925649 is an equidigital number, since it uses as much as digits as its factorization.

330925649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 41.

The square root of 330925649 is about 18191.3619336211. The cubic root of 330925649 is about 691.6878436896.

The spelling of 330925649 in words is "three hundred thirty million, nine hundred twenty-five thousand, six hundred forty-nine".