8195217 has 4 divisors (see below), whose sum is σ = 10926960. Its totient is φ = 5463476.

The previous prime is 8195189. The next prime is 8195227. The reversal of 8195217 is 7125918.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8195217 - 2⁸ = 8194961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8195227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1365867 + ... + 1365872.

It is an arithmetic number, because the mean of its divisors is an integer number (2731740).

Almost surely, 2^8195217 is an apocalyptic number.

It is an amenable number.

8195217 is a deficient number, since it is larger than the sum of its proper divisors (2731743).

8195217 is a wasteful number, since it uses less digits than its factorization.

8195217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731742.

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

The square root of 8195217 is about 2862.7289428096. The cubic root of 8195217 is about 201.6137523294.

The spelling of 8195217 in words is "eight million, one hundred ninety-five thousand, two hundred seventeen".