91482991 has 2 divisors, whose sum is σ = 91482992. Its totient is φ = 91482990.

The previous prime is 91482977. The next prime is 91483037. The reversal of 91482991 is 19928419.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91482991 - 2⁵ = 91482959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91482901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45741495 + 45741496.

It is an arithmetic number, because the mean of its divisors is an integer number (45741496).

Almost surely, 2^91482991 is an apocalyptic number.

91482991 is a deficient number, since it is larger than the sum of its proper divisors (1).

91482991 is an equidigital number, since it uses as much as digits as its factorization.

91482991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 43.

The square root of 91482991 is about 9564.6741188605. The cubic root of 91482991 is about 450.5885155932.

The spelling of 91482991 in words is "ninety-one million, four hundred eighty-two thousand, nine hundred ninety-one".