11288449 has 2 divisors, whose sum is σ = 11288450. Its totient is φ = 11288448.

The previous prime is 11288447. The next prime is 11288461. The reversal of 11288449 is 94488211.

11288449 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., 7840000 + 3448449 = 2800^2 + 1857^2 .

It is an emirp because it is prime and its reverse (94488211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11288449 - 2¹ = 11288447 is a prime.

Together with 11288447, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11288443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5644224 + 5644225.

It is an arithmetic number, because the mean of its divisors is an integer number (5644225).

Almost surely, 2^11288449 is an apocalyptic number.

It is an amenable number.

11288449 is a deficient number, since it is larger than the sum of its proper divisors (1).

11288449 is an equidigital number, since it uses as much as digits as its factorization.

11288449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 37.

The square root of 11288449 is about 3359.8287158723. The cubic root of 11288449 is about 224.3252145240.

The spelling of 11288449 in words is "eleven million, two hundred eighty-eight thousand, four hundred forty-nine".