330645233 has 2 divisors, whose sum is σ = 330645234. Its totient is φ = 330645232.

The previous prime is 330645199. The next prime is 330645281. The reversal of 330645233 is 332546033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167521249 + 163123984 = 12943^2 + 12772^2 .

It is a cyclic number.

It is not a de Polignac number, because 330645233 - 2²⁴ = 313868017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 330645196 and 330645205.

It is not a weakly prime, because it can be changed into another prime (332645233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165322616 + 165322617.

It is an arithmetic number, because the mean of its divisors is an integer number (165322617).

Almost surely, 2^330645233 is an apocalyptic number.

It is an amenable number.

330645233 is a deficient number, since it is larger than the sum of its proper divisors (1).

330645233 is an equidigital number, since it uses as much as digits as its factorization.

330645233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 29.

The square root of 330645233 is about 18183.6529058383. The cubic root of 330645233 is about 691.4924169625.

The spelling of 330645233 in words is "three hundred thirty million, six hundred forty-five thousand, two hundred thirty-three".