330374981 has 2 divisors, whose sum is σ = 330374982. Its totient is φ = 330374980.

The previous prime is 330374971. The next prime is 330375037. The reversal of 330374981 is 189473033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 314494756 + 15880225 = 17734^2 + 3985^2 .

It is a cyclic number.

It is not a de Polignac number, because 330374981 - 2¹⁴ = 330358597 is a prime.

It is a super-2 number, since 2×330374981² = 218295256141500722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330374951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165187490 + 165187491.

It is an arithmetic number, because the mean of its divisors is an integer number (165187491).

Almost surely, 2^330374981 is an apocalyptic number.

It is an amenable number.

330374981 is a deficient number, since it is larger than the sum of its proper divisors (1).

330374981 is an equidigital number, since it uses as much as digits as its factorization.

330374981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 330374981 is about 18176.2202066326. The cubic root of 330374981 is about 691.3039691160.

The spelling of 330374981 in words is "three hundred thirty million, three hundred seventy-four thousand, nine hundred eighty-one".