91092263 has 2 divisors, whose sum is σ = 91092264. Its totient is φ = 91092262.

The previous prime is 91092233. The next prime is 91092269. The reversal of 91092263 is 36229019.

It is a strong prime.

It is an emirp because it is prime and its reverse (36229019) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 91092263 - 2⁸ = 91092007 is a prime.

It is a super-2 number, since 2×91092263² = 16595600756922338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91092269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45546131 + 45546132.

It is an arithmetic number, because the mean of its divisors is an integer number (45546132).

Almost surely, 2^91092263 is an apocalyptic number.

91092263 is a deficient number, since it is larger than the sum of its proper divisors (1).

91092263 is an equidigital number, since it uses as much as digits as its factorization.

91092263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 91092263 is about 9544.2266842317. The cubic root of 91092263 is about 449.9461054797.

The spelling of 91092263 in words is "ninety-one million, ninety-two thousand, two hundred sixty-three".