330648481 has 2 divisors, whose sum is σ = 330648482. Its totient is φ = 330648480.

The previous prime is 330648467. The next prime is 330648497. The reversal of 330648481 is 184846033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185204881 + 145443600 = 13609^2 + 12060^2 .

It is a cyclic number.

It is not a de Polignac number, because 330648481 - 2¹⁷ = 330517409 is a prime.

It is a super-2 number, since 2×330648481² = 218656835975214722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 330648481.

It is not a weakly prime, because it can be changed into another prime (330648421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165324240 + 165324241.

It is an arithmetic number, because the mean of its divisors is an integer number (165324241).

Almost surely, 2^330648481 is an apocalyptic number.

It is an amenable number.

330648481 is a deficient number, since it is larger than the sum of its proper divisors (1).

330648481 is an equidigital number, since it uses as much as digits as its factorization.

330648481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 330648481 is about 18183.7422166066. The cubic root of 330648481 is about 691.4946811819.

The spelling of 330648481 in words is "three hundred thirty million, six hundred forty-eight thousand, four hundred eighty-one".