91465249 has 2 divisors, whose sum is σ = 91465250. Its totient is φ = 91465248.

The previous prime is 91465237. The next prime is 91465261. The reversal of 91465249 is 94256419.

It is a balanced prime because it is at equal distance from previous prime (91465237) and next prime (91465261).

It can be written as a sum of positive squares in only one way, i.e., 69422224 + 22043025 = 8332^2 + 4695^2 .

It is a cyclic number.

It is not a de Polignac number, because 91465249 - 2¹³ = 91457057 is a prime.

It is not a weakly prime, because it can be changed into another prime (91465229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45732624 + 45732625.

It is an arithmetic number, because the mean of its divisors is an integer number (45732625).

Almost surely, 2^91465249 is an apocalyptic number.

It is an amenable number.

91465249 is a deficient number, since it is larger than the sum of its proper divisors (1).

91465249 is an equidigital number, since it uses as much as digits as its factorization.

91465249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 40.

The square root of 91465249 is about 9563.7465984833. The cubic root of 91465249 is about 450.5593850112.

The spelling of 91465249 in words is "ninety-one million, four hundred sixty-five thousand, two hundred forty-nine".