91263 has 8 divisors (see below), whose sum is σ = 126000. Its totient is φ = 58688.

The previous prime is 91253. The next prime is 91283. The reversal of 91263 is 36219.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91263 - 2⁶ = 91199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438 + ... + 611.

It is an arithmetic number, because the mean of its divisors is an integer number (15750).

2⁹¹²⁶³ is an apocalyptic number.

91263 is a deficient number, since it is larger than the sum of its proper divisors (34737).

91263 is a wasteful number, since it uses less digits than its factorization.

91263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081.

The product of its digits is 324, while the sum is 21.

The square root of 91263 is about 302.0976663266. The cubic root of 91263 is about 45.0227045919.

The spelling of 91263 in words is "ninety-one thousand, two hundred sixty-three".