8091173 has 2 divisors, whose sum is σ = 8091174. Its totient is φ = 8091172.

The previous prime is 8091151. The next prime is 8091221. The reversal of 8091173 is 3711908.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7739524 + 351649 = 2782^2 + 593^2 .

It is a cyclic number.

It is not a de Polignac number, because 8091173 - 2¹² = 8087077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8091143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4045586 + 4045587.

It is an arithmetic number, because the mean of its divisors is an integer number (4045587).

Almost surely, 2^8091173 is an apocalyptic number.

It is an amenable number.

8091173 is a deficient number, since it is larger than the sum of its proper divisors (1).

8091173 is an equidigital number, since it uses as much as digits as its factorization.

8091173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 8091173 is about 2844.4987256105. The cubic root of 8091173 is about 200.7569068465.

The spelling of 8091173 in words is "eight million, ninety-one thousand, one hundred seventy-three".