365116399 has 2 divisors, whose sum is σ = 365116400. Its totient is φ = 365116398.

The previous prime is 365116373. The next prime is 365116441. The reversal of 365116399 is 993611563.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 365116399 - 2²⁷ = 230898671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (365116309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182558199 + 182558200.

It is an arithmetic number, because the mean of its divisors is an integer number (182558200).

Almost surely, 2^365116399 is an apocalyptic number.

365116399 is a deficient number, since it is larger than the sum of its proper divisors (1).

365116399 is an equidigital number, since it uses as much as digits as its factorization.

365116399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131220, while the sum is 43.

The square root of 365116399 is about 19108.0192327724. The cubic root of 365116399 is about 714.7329101676.

The spelling of 365116399 in words is "three hundred sixty-five million, one hundred sixteen thousand, three hundred ninety-nine".