91183 has 2 divisors, whose sum is σ = 91184. Its totient is φ = 91182.

The previous prime is 91163. The next prime is 91193. The reversal of 91183 is 38119.

It is a strong prime.

It is an emirp because it is prime and its reverse (38119) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 91183 - 2⁵ = 91151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45591 + 45592.

It is an arithmetic number, because the mean of its divisors is an integer number (45592).

2⁹¹¹⁸³ is an apocalyptic number.

91183 is a deficient number, since it is larger than the sum of its proper divisors (1).

91183 is an equidigital number, since it uses as much as digits as its factorization.

91183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 22.

The square root of 91183 is about 301.9652297865. The cubic root of 91183 is about 45.0095453002.

It can be divided in two parts, 91 and 183, that multiplied together give a triangular number (16653 = T₁₈₂).

The spelling of 91183 in words is "ninety-one thousand, one hundred eighty-three".