11305249 has 4 divisors (see below), whose sum is σ = 11313540. Its totient is φ = 11296960.

The previous prime is 11305237. The next prime is 11305267. The reversal of 11305249 is 94250311.

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.

It can be written as a sum of positive squares in 2 ways, for example, as 9345249 + 1960000 = 3057^2 + 1400^2 .

It is a cyclic number.

It is not a de Polignac number, because 11305249 - 2⁹ = 11304737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11305549) 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, 1564 + ... + 5005.

It is an arithmetic number, because the mean of its divisors is an integer number (2828385).

Almost surely, 2^11305249 is an apocalyptic number.

It is an amenable number.

11305249 is a deficient number, since it is larger than the sum of its proper divisors (8291).

11305249 is an equidigital number, since it uses as much as digits as its factorization.

11305249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8290.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 11305249 is about 3362.3279138121. The cubic root of 11305249 is about 224.4364431372.

The spelling of 11305249 in words is "eleven million, three hundred five thousand, two hundred forty-nine".