332661913 has 2 divisors, whose sum is σ = 332661914. Its totient is φ = 332661912.

The previous prime is 332661907. The next prime is 332661919. The reversal of 332661913 is 319166233.

It is a balanced prime because it is at equal distance from previous prime (332661907) and next prime (332661919).

It can be written as a sum of positive squares in only one way, i.e., 312122889 + 20539024 = 17667^2 + 4532^2 .

It is a cyclic number.

It is not a de Polignac number, because 332661913 - 2⁹ = 332661401 is a prime.

It is a super-2 number, since 2×332661913² = 221327896721639138, which contains 22 as substring.

It is equal to p_17920924 and since 332661913 and 17920924 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (332661919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166330956 + 166330957.

It is an arithmetic number, because the mean of its divisors is an integer number (166330957).

Almost surely, 2^332661913 is an apocalyptic number.

It is an amenable number.

332661913 is a deficient number, since it is larger than the sum of its proper divisors (1).

332661913 is an equidigital number, since it uses as much as digits as its factorization.

332661913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 34.

The square root of 332661913 is about 18239.0217117037. The cubic root of 332661913 is about 692.8954245715.

The spelling of 332661913 in words is "three hundred thirty-two million, six hundred sixty-one thousand, nine hundred thirteen".