91096571 has 2 divisors, whose sum is σ = 91096572. Its totient is φ = 91096570.

The previous prime is 91096541. The next prime is 91096597. The reversal of 91096571 is 17569019.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91096571 - 2¹⁸ = 90834427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (91096541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45548285 + 45548286.

It is an arithmetic number, because the mean of its divisors is an integer number (45548286).

Almost surely, 2^91096571 is an apocalyptic number.

91096571 is a deficient number, since it is larger than the sum of its proper divisors (1).

91096571 is an equidigital number, since it uses as much as digits as its factorization.

91096571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17010, while the sum is 38.

The square root of 91096571 is about 9544.4523677370. The cubic root of 91096571 is about 449.9531984248.

The spelling of 91096571 in words is "ninety-one million, ninety-six thousand, five hundred seventy-one".