8240173 has 2 divisors, whose sum is σ = 8240174. Its totient is φ = 8240172.

The previous prime is 8240171. The next prime is 8240179. The reversal of 8240173 is 3710428.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7469289 + 770884 = 2733^2 + 878^2 .

It is a cyclic number.

It is not a de Polignac number, because 8240173 - 2¹ = 8240171 is a prime.

Together with 8240171, 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 (8240171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4120086 + 4120087.

It is an arithmetic number, because the mean of its divisors is an integer number (4120087).

Almost surely, 2^8240173 is an apocalyptic number.

It is an amenable number.

8240173 is a deficient number, since it is larger than the sum of its proper divisors (1).

8240173 is an equidigital number, since it uses as much as digits as its factorization.

8240173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 8240173 is about 2870.5701524262. The cubic root of 8240173 is about 201.9817403356.

The spelling of 8240173 in words is "eight million, two hundred forty thousand, one hundred seventy-three".