8172195 has 8 divisors (see below), whose sum is σ = 13075536. Its totient is φ = 4358496.

The previous prime is 8172181. The next prime is 8172209. The reversal of 8172195 is 5912718.

It is an interprime number because it is at equal distance from previous prime (8172181) and next prime (8172209).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8172195 - 2⁴ = 8172179 is a prime.

It is a super-2 number, since 2×8172195² = 133569542236050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

8172195 is a lucky number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 272392 + ... + 272421.

It is an arithmetic number, because the mean of its divisors is an integer number (1634442).

Almost surely, 2^8172195 is an apocalyptic number.

8172195 is a deficient number, since it is larger than the sum of its proper divisors (4903341).

8172195 is a wasteful number, since it uses less digits than its factorization.

8172195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544821.

The product of its digits is 5040, while the sum is 33.

The square root of 8172195 is about 2858.7051264515. The cubic root of 8172195 is about 201.4247841808.

The spelling of 8172195 in words is "eight million, one hundred seventy-two thousand, one hundred ninety-five".