11256173 has 2 divisors, whose sum is σ = 11256174. Its totient is φ = 11256172.

The previous prime is 11256163. The next prime is 11256191. The reversal of 11256173 is 37165211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7327849 + 3928324 = 2707^2 + 1982^2 .

It is a cyclic number.

It is not a de Polignac number, because 11256173 - 2⁸ = 11255917 is a prime.

It is equal to p₇₄₂₃₃₇ and since 11256173 and 742337 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11256163) 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, 5628086 + 5628087.

It is an arithmetic number, because the mean of its divisors is an integer number (5628087).

Almost surely, 2^11256173 is an apocalyptic number.

It is an amenable number.

11256173 is a deficient number, since it is larger than the sum of its proper divisors (1).

11256173 is an equidigital number, since it uses as much as digits as its factorization.

11256173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 26.

The square root of 11256173 is about 3355.0220565594. The cubic root of 11256173 is about 224.1112131104. Note that the first 3 decimals are identical.

The spelling of 11256173 in words is "eleven million, two hundred fifty-six thousand, one hundred seventy-three".