332665913 has 2 divisors, whose sum is σ = 332665914. Its totient is φ = 332665912.

The previous prime is 332665901. The next prime is 332665939. The reversal of 332665913 is 319566233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 298874944 + 33790969 = 17288^2 + 5813^2 .

It is a cyclic number.

It is not a de Polignac number, because 332665913 - 2⁴ = 332665897 is a prime.

It is a super-2 number, since 2×332665913² = 221333219344247138, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (332665973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166332956 + 166332957.

It is an arithmetic number, because the mean of its divisors is an integer number (166332957).

Almost surely, 2^332665913 is an apocalyptic number.

It is an amenable number.

332665913 is a deficient number, since it is larger than the sum of its proper divisors (1).

332665913 is an equidigital number, since it uses as much as digits as its factorization.

332665913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 38.

The square root of 332665913 is about 18239.1313663782. The cubic root of 332665913 is about 692.8982017361.

The spelling of 332665913 in words is "three hundred thirty-two million, six hundred sixty-five thousand, nine hundred thirteen".