91659341 has 2 divisors, whose sum is σ = 91659342. Its totient is φ = 91659340.

The previous prime is 91659319. The next prime is 91659349. The reversal of 91659341 is 14395619.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46635241 + 45024100 = 6829^2 + 6710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91659341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91659295 and 91659304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91659349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45829670 + 45829671.

It is an arithmetic number, because the mean of its divisors is an integer number (45829671).

Almost surely, 2^91659341 is an apocalyptic number.

It is an amenable number.

91659341 is a deficient number, since it is larger than the sum of its proper divisors (1).

91659341 is an equidigital number, since it uses as much as digits as its factorization.

91659341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 38.

The square root of 91659341 is about 9573.8884994552. Note that the first 3 decimals coincide. The cubic root of 91659341 is about 450.8778600196.

The spelling of 91659341 in words is "ninety-one million, six hundred fifty-nine thousand, three hundred forty-one".