330053281 has 2 divisors, whose sum is σ = 330053282. Its totient is φ = 330053280.

The previous prime is 330053279. The next prime is 330053341. The reversal of 330053281 is 182350033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 328878225 + 1175056 = 18135^2 + 1084^2 .

It is a cyclic number.

It is not a de Polignac number, because 330053281 - 2¹ = 330053279 is a prime.

It is a super-2 number, since 2×330053281² = 217870336597729922, which contains 22 as substring.

Together with 330053279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (330054281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165026640 + 165026641.

It is an arithmetic number, because the mean of its divisors is an integer number (165026641).

Almost surely, 2^330053281 is an apocalyptic number.

It is an amenable number.

330053281 is a deficient number, since it is larger than the sum of its proper divisors (1).

330053281 is an equidigital number, since it uses as much as digits as its factorization.

330053281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 330053281 is about 18167.3685766541. The cubic root of 330053281 is about 691.0795123391.

The spelling of 330053281 in words is "three hundred thirty million, fifty-three thousand, two hundred eighty-one".