91334249 has 2 divisors, whose sum is σ = 91334250. Its totient is φ = 91334248.

The previous prime is 91334239. The next prime is 91334281. The reversal of 91334249 is 94243319.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76650025 + 14684224 = 8755^2 + 3832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91334249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (91334239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45667124 + 45667125.

It is an arithmetic number, because the mean of its divisors is an integer number (45667125).

Almost surely, 2^91334249 is an apocalyptic number.

It is an amenable number.

91334249 is a deficient number, since it is larger than the sum of its proper divisors (1).

91334249 is an equidigital number, since it uses as much as digits as its factorization.

91334249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 35.

The square root of 91334249 is about 9556.8953640814. The cubic root of 91334249 is about 450.3441794879.

The spelling of 91334249 in words is "ninety-one million, three hundred thirty-four thousand, two hundred forty-nine".