365945449 has 2 divisors, whose sum is σ = 365945450. Its totient is φ = 365945448.

The previous prime is 365945441. The next prime is 365945467. The reversal of 365945449 is 944549563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 356945449 + 9000000 = 18893^2 + 3000^2 .

It is a cyclic number.

It is not a de Polignac number, because 365945449 - 2³ = 365945441 is a prime.

It is not a weakly prime, because it can be changed into another prime (365945441) 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, 182972724 + 182972725.

It is an arithmetic number, because the mean of its divisors is an integer number (182972725).

Almost surely, 2^365945449 is an apocalyptic number.

It is an amenable number.

365945449 is a deficient number, since it is larger than the sum of its proper divisors (1).

365945449 is an equidigital number, since it uses as much as digits as its factorization.

365945449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2332800, while the sum is 49.

The square root of 365945449 is about 19129.7007033565. The cubic root of 365945449 is about 715.2734696493.

The spelling of 365945449 in words is "three hundred sixty-five million, nine hundred forty-five thousand, four hundred forty-nine".