330530819 has 2 divisors, whose sum is σ = 330530820. Its totient is φ = 330530818.

The previous prime is 330530789. The next prime is 330530869. The reversal of 330530819 is 918035033.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-330530819 is a prime.

It is a super-2 number, since 2×330530819² = 218501244617621522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (330530869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165265409 + 165265410.

It is an arithmetic number, because the mean of its divisors is an integer number (165265410).

Almost surely, 2^330530819 is an apocalyptic number.

330530819 is a deficient number, since it is larger than the sum of its proper divisors (1).

330530819 is an equidigital number, since it uses as much as digits as its factorization.

330530819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 330530819 is about 18180.5065660999. The cubic root of 330530819 is about 691.4126481420.

The spelling of 330530819 in words is "three hundred thirty million, five hundred thirty thousand, eight hundred nineteen".