11258909 has 2 divisors, whose sum is σ = 11258910. Its totient is φ = 11258908.

The previous prime is 11258857. The next prime is 11258927. The reversal of 11258909 is 90985211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9765625 + 1493284 = 3125^2 + 1222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11258909 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 (11258959) 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, 5629454 + 5629455.

It is an arithmetic number, because the mean of its divisors is an integer number (5629455).

Almost surely, 2^11258909 is an apocalyptic number.

It is an amenable number.

11258909 is a deficient number, since it is larger than the sum of its proper divisors (1).

11258909 is an equidigital number, since it uses as much as digits as its factorization.

11258909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 11258909 is about 3355.4297787318. The cubic root of 11258909 is about 224.1293696250.

It can be divided in two parts, 11258 and 909, that added together give a cube (12167 = 23³).

The spelling of 11258909 in words is "eleven million, two hundred fifty-eight thousand, nine hundred nine".