11548289 has 2 divisors, whose sum is σ = 11548290. Its totient is φ = 11548288.

The previous prime is 11548279. The next prime is 11548291. The reversal of 11548289 is 98284511.

11548289 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11336689 + 211600 = 3367^2 + 460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11548289 is a prime.

Together with 11548291, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11548249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5774144 + 5774145.

It is an arithmetic number, because the mean of its divisors is an integer number (5774145).

Almost surely, 2^11548289 is an apocalyptic number.

It is an amenable number.

11548289 is a deficient number, since it is larger than the sum of its proper divisors (1).

11548289 is an equidigital number, since it uses as much as digits as its factorization.

11548289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 38.

The square root of 11548289 is about 3398.2773577211. The cubic root of 11548289 is about 226.0333636493.

The spelling of 11548289 in words is "eleven million, five hundred forty-eight thousand, two hundred eighty-nine".