11331917 has 2 divisors, whose sum is σ = 11331918. Its totient is φ = 11331916.

The previous prime is 11331899. The next prime is 11331937. The reversal of 11331917 is 71913311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8462281 + 2869636 = 2909^2 + 1694^2 .

It is a cyclic number.

It is not a de Polignac number, because 11331917 - 2¹⁴ = 11315533 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11331937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665958 + 5665959.

It is an arithmetic number, because the mean of its divisors is an integer number (5665959).

Almost surely, 2^11331917 is an apocalyptic number.

It is an amenable number.

11331917 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331917 is an equidigital number, since it uses as much as digits as its factorization.

11331917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 567, while the sum is 26.

The square root of 11331917 is about 3366.2912827027. The cubic root of 11331917 is about 224.6127792502.

The spelling of 11331917 in words is "eleven million, three hundred thirty-one thousand, nine hundred seventeen".