11243249 has 4 divisors (see below), whose sum is σ = 11250660. Its totient is φ = 11235840.

The previous prime is 11243237. The next prime is 11243291. The reversal of 11243249 is 94234211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94234211 = 181 ⋅520631.

It can be written as a sum of positive squares in 2 ways, for example, as 2122849 + 9120400 = 1457^2 + 3020^2 .

It is a cyclic number.

It is not a de Polignac number, because 11243249 - 2⁴ = 11243233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11243299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512 + ... + 4769.

It is an arithmetic number, because the mean of its divisors is an integer number (2812665).

Almost surely, 2^11243249 is an apocalyptic number.

It is an amenable number.

11243249 is a deficient number, since it is larger than the sum of its proper divisors (7411).

11243249 is an equidigital number, since it uses as much as digits as its factorization.

11243249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7410.

The product of its digits is 1728, while the sum is 26.

The square root of 11243249 is about 3353.0954355640. The cubic root of 11243249 is about 224.0254076728.

The spelling of 11243249 in words is "eleven million, two hundred forty-three thousand, two hundred forty-nine".