91952849 has 2 divisors, whose sum is σ = 91952850. Its totient is φ = 91952848.

The previous prime is 91952843. The next prime is 91952879. The reversal of 91952849 is 94825919.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90345025 + 1607824 = 9505^2 + 1268^2 .

It is an emirp because it is prime and its reverse (94825919) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 91952849 - 2⁸ = 91952593 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (91952843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45976424 + 45976425.

It is an arithmetic number, because the mean of its divisors is an integer number (45976425).

Almost surely, 2^91952849 is an apocalyptic number.

It is an amenable number.

91952849 is a deficient number, since it is larger than the sum of its proper divisors (1).

91952849 is an equidigital number, since it uses as much as digits as its factorization.

91952849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 47.

The square root of 91952849 is about 9589.2048158333. The cubic root of 91952849 is about 451.3586084599.

The spelling of 91952849 in words is "ninety-one million, nine hundred fifty-two thousand, eight hundred forty-nine".