330330997 has 2 divisors, whose sum is σ = 330330998. Its totient is φ = 330330996.

The previous prime is 330330977. The next prime is 330331003. The reversal of 330330997 is 799033033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205807716 + 124523281 = 14346^2 + 11159^2 .

It is an emirp because it is prime and its reverse (799033033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 330330997 - 2¹⁹ = 329806709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330330907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165165498 + 165165499.

It is an arithmetic number, because the mean of its divisors is an integer number (165165499).

Almost surely, 2^330330997 is an apocalyptic number.

It is an amenable number.

330330997 is a deficient number, since it is larger than the sum of its proper divisors (1).

330330997 is an equidigital number, since it uses as much as digits as its factorization.

330330997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45927, while the sum is 37.

The square root of 330330997 is about 18175.0102338348. The cubic root of 330330997 is about 691.2732891665.

The spelling of 330330997 in words is "three hundred thirty million, three hundred thirty thousand, nine hundred ninety-seven".