91374271 has 2 divisors, whose sum is σ = 91374272. Its totient is φ = 91374270.

The previous prime is 91374259. The next prime is 91374293. The reversal of 91374271 is 17247319.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91374271 - 2¹¹ = 91372223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91374221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45687135 + 45687136.

It is an arithmetic number, because the mean of its divisors is an integer number (45687136).

Almost surely, 2^91374271 is an apocalyptic number.

91374271 is a deficient number, since it is larger than the sum of its proper divisors (1).

91374271 is an equidigital number, since it uses as much as digits as its factorization.

91374271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 34.

The square root of 91374271 is about 9558.9890155811. The cubic root of 91374271 is about 450.4099490576.

The spelling of 91374271 in words is "ninety-one million, three hundred seventy-four thousand, two hundred seventy-one".