91484597 has 2 divisors, whose sum is σ = 91484598. Its totient is φ = 91484596.

The previous prime is 91484587. The next prime is 91484611. The reversal of 91484597 is 79548419.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88943761 + 2540836 = 9431^2 + 1594^2 .

It is an emirp because it is prime and its reverse (79548419) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 91484597 - 2¹⁴ = 91468213 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91484507) 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, 45742298 + 45742299.

It is an arithmetic number, because the mean of its divisors is an integer number (45742299).

Almost surely, 2^91484597 is an apocalyptic number.

It is an amenable number.

91484597 is a deficient number, since it is larger than the sum of its proper divisors (1).

91484597 is an equidigital number, since it uses as much as digits as its factorization.

91484597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 47.

The square root of 91484597 is about 9564.7580732604. The cubic root of 91484597 is about 450.5911522980.

The spelling of 91484597 in words is "ninety-one million, four hundred eighty-four thousand, five hundred ninety-seven".