8102173 has 4 divisors (see below), whose sum is σ = 8156700. Its totient is φ = 8047648.

The previous prime is 8102167. The next prime is 8102177. The reversal of 8102173 is 3712018.

8102173 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.

It can be written as a sum of positive squares in 2 ways, for example, as 3928324 + 4173849 = 1982^2 + 2043^2 .

It is a cyclic number.

It is not a de Polignac number, because 8102173 - 2⁹ = 8101661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8102177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27040 + ... + 27337.

It is an arithmetic number, because the mean of its divisors is an integer number (2039175).

Almost surely, 2^8102173 is an apocalyptic number.

It is an amenable number.

8102173 is a deficient number, since it is larger than the sum of its proper divisors (54527).

8102173 is a wasteful number, since it uses less digits than its factorization.

8102173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54526.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 8102173 is about 2846.4316257377. The cubic root of 8102173 is about 200.8478424041.

The spelling of 8102173 in words is "eight million, one hundred two thousand, one hundred seventy-three".