11243237 has 2 divisors, whose sum is σ = 11243238. Its totient is φ = 11243236.

The previous prime is 11243233. The next prime is 11243291. The reversal of 11243237 is 73234211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6974881 + 4268356 = 2641^2 + 2066^2 .

It is a cyclic number.

It is not a de Polignac number, because 11243237 - 2² = 11243233 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11243233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5621618 + 5621619.

It is an arithmetic number, because the mean of its divisors is an integer number (5621619).

Almost surely, 2^11243237 is an apocalyptic number.

It is an amenable number.

11243237 is a deficient number, since it is larger than the sum of its proper divisors (1).

11243237 is an equidigital number, since it uses as much as digits as its factorization.

11243237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 23.

The square root of 11243237 is about 3353.0936461721. The cubic root of 11243237 is about 224.0253279715.

Adding to 11243237 its reverse (73234211), we get a palindrome (84477448).

The spelling of 11243237 in words is "eleven million, two hundred forty-three thousand, two hundred thirty-seven".