332930981 has 2 divisors, whose sum is σ = 332930982. Its totient is φ = 332930980.

The previous prime is 332930971. The next prime is 332930989. The reversal of 332930981 is 189039233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 248566756 + 84364225 = 15766^2 + 9185^2 .

It is a cyclic number.

It is not a de Polignac number, because 332930981 - 2¹⁴ = 332914597 is a prime.

It is a super-2 number, since 2×332930981² = 221686076219244722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (332930989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166465490 + 166465491.

It is an arithmetic number, because the mean of its divisors is an integer number (166465491).

Almost surely, 2^332930981 is an apocalyptic number.

It is an amenable number.

332930981 is a deficient number, since it is larger than the sum of its proper divisors (1).

332930981 is an equidigital number, since it uses as much as digits as its factorization.

332930981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 332930981 is about 18246.3963839439. The cubic root of 332930981 is about 693.0821865023.

The spelling of 332930981 in words is "three hundred thirty-two million, nine hundred thirty thousand, nine hundred eighty-one".