91282 has 4 divisors (see below), whose sum is σ = 136926. Its totient is φ = 45640.

The previous prime is 91253. The next prime is 91283. The reversal of 91282 is 28219.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 78961 + 12321 = 281^2 + 111^2 .

It is a super-3 number, since 3×91282³ = 2281795375433304, which contains 333 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (91283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22819 + ... + 22822.

2⁹¹²⁸² is an apocalyptic number.

91282 is a deficient number, since it is larger than the sum of its proper divisors (45644).

91282 is a wasteful number, since it uses less digits than its factorization.

91282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45643.

The product of its digits is 288, while the sum is 22.

The square root of 91282 is about 302.1291114739. The cubic root of 91282 is about 45.0258287935.

It can be divided in two parts, 91 and 282, that added together give a palindrome (373).

The spelling of 91282 in words is "ninety-one thousand, two hundred eighty-two".