330664531 has 2 divisors, whose sum is σ = 330664532. Its totient is φ = 330664530.

The previous prime is 330664519. The next prime is 330664553. The reversal of 330664531 is 135466033.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 330664531 - 2¹⁷ = 330533459 is a prime.

It is a super-2 number, since 2×330664531² = 218678064122899922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 330664493 and 330664502.

It is not a weakly prime, because it can be changed into another prime (330604531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165332265 + 165332266.

It is an arithmetic number, because the mean of its divisors is an integer number (165332266).

Almost surely, 2^330664531 is an apocalyptic number.

330664531 is a deficient number, since it is larger than the sum of its proper divisors (1).

330664531 is an equidigital number, since it uses as much as digits as its factorization.

330664531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 330664531 is about 18184.1835395489. The cubic root of 330664531 is about 691.5058696098.

The spelling of 330664531 in words is "three hundred thirty million, six hundred sixty-four thousand, five hundred thirty-one".