11209249 has 2 divisors, whose sum is σ = 11209250. Its totient is φ = 11209248.

The previous prime is 11209243. The next prime is 11209291. The reversal of 11209249 is 94290211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10144225 + 1065024 = 3185^2 + 1032^2 .

It is a cyclic number.

It is not a de Polignac number, because 11209249 - 2²³ = 2820641 is a prime.

It is not a weakly prime, because it can be changed into another prime (11209243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5604624 + 5604625.

It is an arithmetic number, because the mean of its divisors is an integer number (5604625).

Almost surely, 2^11209249 is an apocalyptic number.

It is an amenable number.

11209249 is a deficient number, since it is larger than the sum of its proper divisors (1).

11209249 is an equidigital number, since it uses as much as digits as its factorization.

11209249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 11209249 is about 3348.0216546492. The cubic root of 11209249 is about 223.7993592925.

The spelling of 11209249 in words is "eleven million, two hundred nine thousand, two hundred forty-nine".