8497091 has 2 divisors, whose sum is σ = 8497092. Its totient is φ = 8497090.

The previous prime is 8497057. The next prime is 8497133. The reversal of 8497091 is 1907948.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8497091 - 2¹⁰ = 8496067 is a prime.

It is not a weakly prime, because it can be changed into another prime (8497031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4248545 + 4248546.

It is an arithmetic number, because the mean of its divisors is an integer number (4248546).

Almost surely, 2^8497091 is an apocalyptic number.

8497091 is a deficient number, since it is larger than the sum of its proper divisors (1).

8497091 is an equidigital number, since it uses as much as digits as its factorization.

8497091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 8497091 is about 2914.9770153468. The cubic root of 8497091 is about 204.0594709989.

The spelling of 8497091 in words is "eight million, four hundred ninety-seven thousand, ninety-one".