8173285 has 4 divisors (see below), whose sum is σ = 9807948. Its totient is φ = 6538624.

The previous prime is 8173267. The next prime is 8173351. The reversal of 8173285 is 5823718.

8173285 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5823718 = 2 ⋅2911859.

It can be written as a sum of positive squares in 2 ways, for example, as 5166529 + 3006756 = 2273^2 + 1734^2 .

It is a cyclic number.

It is not a de Polignac number, because 8173285 - 2¹³ = 8165093 is a prime.

It is a Duffinian number.

8173285 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8173285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817324 + ... + 817333.

It is an arithmetic number, because the mean of its divisors is an integer number (2451987).

Almost surely, 2^8173285 is an apocalyptic number.

It is an amenable number.

8173285 is a deficient number, since it is larger than the sum of its proper divisors (1634663).

8173285 is a wasteful number, since it uses less digits than its factorization.

8173285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634662.

The product of its digits is 13440, while the sum is 34.

The square root of 8173285 is about 2858.8957658509. The cubic root of 8173285 is about 201.4337390680.

The spelling of 8173285 in words is "eight million, one hundred seventy-three thousand, two hundred eighty-five".