8345173 has 2 divisors, whose sum is σ = 8345174. Its totient is φ = 8345172.

The previous prime is 8345171. The next prime is 8345177. The reversal of 8345173 is 3715438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8334769 + 10404 = 2887^2 + 102^2 .

It is a cyclic number.

It is not a de Polignac number, because 8345173 - 2¹ = 8345171 is a prime.

Together with 8345171, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8345171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4172586 + 4172587.

It is an arithmetic number, because the mean of its divisors is an integer number (4172587).

Almost surely, 2^8345173 is an apocalyptic number.

It is an amenable number.

8345173 is a deficient number, since it is larger than the sum of its proper divisors (1).

8345173 is an equidigital number, since it uses as much as digits as its factorization.

8345173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 31.

The square root of 8345173 is about 2888.8013085015. The cubic root of 8345173 is about 202.8360360759.

The spelling of 8345173 in words is "eight million, three hundred forty-five thousand, one hundred seventy-three".