332642407 has 2 divisors, whose sum is σ = 332642408. Its totient is φ = 332642406.

The previous prime is 332642347. The next prime is 332642447. The reversal of 332642407 is 704246233.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-332642407 is a prime.

It is a super-2 number, since 2×332642407² = 221301941869507298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (332642447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166321203 + 166321204.

It is an arithmetic number, because the mean of its divisors is an integer number (166321204).

Almost surely, 2^332642407 is an apocalyptic number.

332642407 is a deficient number, since it is larger than the sum of its proper divisors (1).

332642407 is an equidigital number, since it uses as much as digits as its factorization.

332642407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 332642407 is about 18238.4869712375. The cubic root of 332642407 is about 692.8818814097.

The spelling of 332642407 in words is "three hundred thirty-two million, six hundred forty-two thousand, four hundred seven".