330881237 has 2 divisors, whose sum is σ = 330881238. Its totient is φ = 330881236.

The previous prime is 330881233. The next prime is 330881261. The reversal of 330881237 is 732188033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189723076 + 141158161 = 13774^2 + 11881^2 .

It is an emirp because it is prime and its reverse (732188033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 330881237 - 2² = 330881233 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 330881197 and 330881206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330881233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165440618 + 165440619.

It is an arithmetic number, because the mean of its divisors is an integer number (165440619).

Almost surely, 2^330881237 is an apocalyptic number.

It is an amenable number.

330881237 is a deficient number, since it is larger than the sum of its proper divisors (1).

330881237 is an equidigital number, since it uses as much as digits as its factorization.

330881237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 330881237 is about 18190.1412034102. The cubic root of 330881237 is about 691.6568995637.

The spelling of 330881237 in words is "three hundred thirty million, eight hundred eighty-one thousand, two hundred thirty-seven".