11238257 has 2 divisors, whose sum is σ = 11238258. Its totient is φ = 11238256.

The previous prime is 11238239. The next prime is 11238263. The reversal of 11238257 is 75283211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10137856 + 1100401 = 3184^2 + 1049^2 .

It is a cyclic number.

It is not a de Polignac number, because 11238257 - 2⁸ = 11238001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11238287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5619128 + 5619129.

It is an arithmetic number, because the mean of its divisors is an integer number (5619129).

Almost surely, 2^11238257 is an apocalyptic number.

It is an amenable number.

11238257 is a deficient number, since it is larger than the sum of its proper divisors (1).

11238257 is an equidigital number, since it uses as much as digits as its factorization.

11238257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 29.

The square root of 11238257 is about 3352.3509661132. The cubic root of 11238257 is about 223.9922470212.

The spelling of 11238257 in words is "eleven million, two hundred thirty-eight thousand, two hundred fifty-seven".