330406961 has 2 divisors, whose sum is σ = 330406962. Its totient is φ = 330406960.

The previous prime is 330406957. The next prime is 330406963. The reversal of 330406961 is 169604033.

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., 325116961 + 5290000 = 18031^2 + 2300^2 .

It is a cyclic number.

It is not a de Polignac number, because 330406961 - 2² = 330406957 is a prime.

Together with 330406963, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (330406963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165203480 + 165203481.

It is an arithmetic number, because the mean of its divisors is an integer number (165203481).

Almost surely, 2^330406961 is an apocalyptic number.

It is an amenable number.

330406961 is a deficient number, since it is larger than the sum of its proper divisors (1).

330406961 is an equidigital number, since it uses as much as digits as its factorization.

330406961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 330406961 is about 18177.0999062007. The cubic root of 330406961 is about 691.3262742631.

The spelling of 330406961 in words is "three hundred thirty million, four hundred six thousand, nine hundred sixty-one".