36345649 has 2 divisors, whose sum is σ = 36345650. Its totient is φ = 36345648.

The previous prime is 36345641. The next prime is 36345679. The reversal of 36345649 is 94654363.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33721249 + 2624400 = 5807^2 + 1620^2 .

It is a cyclic number.

It is not a de Polignac number, because 36345649 - 2³ = 36345641 is a prime.

It is not a weakly prime, because it can be changed into another prime (36345641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18172824 + 18172825.

It is an arithmetic number, because the mean of its divisors is an integer number (18172825).

Almost surely, 2^36345649 is an apocalyptic number.

It is an amenable number.

36345649 is a deficient number, since it is larger than the sum of its proper divisors (1).

36345649 is an equidigital number, since it uses as much as digits as its factorization.

36345649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 40.

The square root of 36345649 is about 6028.7352736706. The cubic root of 36345649 is about 331.2461272123.

The spelling of 36345649 in words is "thirty-six million, three hundred forty-five thousand, six hundred forty-nine".