11365649 has 2 divisors, whose sum is σ = 11365650. Its totient is φ = 11365648.

The previous prime is 11365637. The next prime is 11365693. The reversal of 11365649 is 94656311.

11365649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7524049 + 3841600 = 2743^2 + 1960^2 .

It is an emirp because it is prime and its reverse (94656311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11365649 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11365699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5682824 + 5682825.

It is an arithmetic number, because the mean of its divisors is an integer number (5682825).

Almost surely, 2^11365649 is an apocalyptic number.

It is an amenable number.

11365649 is a deficient number, since it is larger than the sum of its proper divisors (1).

11365649 is an equidigital number, since it uses as much as digits as its factorization.

11365649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 35.

The square root of 11365649 is about 3371.2978213145. The cubic root of 11365649 is about 224.8354286284.

The spelling of 11365649 in words is "eleven million, three hundred sixty-five thousand, six hundred forty-nine".