91484171 has 2 divisors, whose sum is σ = 91484172. Its totient is φ = 91484170.

The previous prime is 91484167. The next prime is 91484203. The reversal of 91484171 is 17148419.

It is a weak prime.

It is an emirp because it is prime and its reverse (17148419) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 91484171 - 2² = 91484167 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (91484971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45742085 + 45742086.

It is an arithmetic number, because the mean of its divisors is an integer number (45742086).

Almost surely, 2^91484171 is an apocalyptic number.

91484171 is a deficient number, since it is larger than the sum of its proper divisors (1).

91484171 is an equidigital number, since it uses as much as digits as its factorization.

91484171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 35.

The square root of 91484171 is about 9564.7358039833. The cubic root of 91484171 is about 450.5904529011.

The spelling of 91484171 in words is "ninety-one million, four hundred eighty-four thousand, one hundred seventy-one".