8208197 has 2 divisors, whose sum is σ = 8208198. Its totient is φ = 8208196.

The previous prime is 8208181. The next prime is 8208199. The reversal of 8208197 is 7918028.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4800481 + 3407716 = 2191^2 + 1846^2 .

It is a cyclic number.

It is not a de Polignac number, because 8208197 - 2⁴ = 8208181 is a prime.

Together with 8208199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8208199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4104098 + 4104099.

It is an arithmetic number, because the mean of its divisors is an integer number (4104099).

Almost surely, 2^8208197 is an apocalyptic number.

It is an amenable number.

8208197 is a deficient number, since it is larger than the sum of its proper divisors (1).

8208197 is an equidigital number, since it uses as much as digits as its factorization.

8208197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 8208197 is about 2864.9951134339. The cubic root of 8208197 is about 201.7201382088.

The spelling of 8208197 in words is "eight million, two hundred eight thousand, one hundred ninety-seven".