11172269 has 2 divisors, whose sum is σ = 11172270. Its totient is φ = 11172268.

The previous prime is 11172263. The next prime is 11172289. The reversal of 11172269 is 96227111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5593225 + 5579044 = 2365^2 + 2362^2 .

It is an emirp because it is prime and its reverse (96227111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11172269 - 2⁴ = 11172253 is a prime.

It is a super-2 number, since 2×11172269² = 249639189216722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11172263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5586134 + 5586135.

It is an arithmetic number, because the mean of its divisors is an integer number (5586135).

Almost surely, 2^11172269 is an apocalyptic number.

It is an amenable number.

11172269 is a deficient number, since it is larger than the sum of its proper divisors (1).

11172269 is an equidigital number, since it uses as much as digits as its factorization.

11172269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 29.

The square root of 11172269 is about 3342.4944278188. The cubic root of 11172269 is about 223.5529788809.

The spelling of 11172269 in words is "eleven million, one hundred seventy-two thousand, two hundred sixty-nine".