8318197 has 2 divisors, whose sum is σ = 8318198. Its totient is φ = 8318196.

The previous prime is 8318179. The next prime is 8318227. The reversal of 8318197 is 7918138.

Together with previous prime (8318179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7890481 + 427716 = 2809^2 + 654^2 .

It is a cyclic number.

It is not a de Polignac number, because 8318197 - 2⁷ = 8318069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8318897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4159098 + 4159099.

It is an arithmetic number, because the mean of its divisors is an integer number (4159099).

Almost surely, 2^8318197 is an apocalyptic number.

It is an amenable number.

8318197 is a deficient number, since it is larger than the sum of its proper divisors (1).

8318197 is an equidigital number, since it uses as much as digits as its factorization.

8318197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 37.

The square root of 8318197 is about 2884.1284645452. The cubic root of 8318197 is about 202.6172424758.

It can be divided in two parts, 8318 and 197, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 8318197 in words is "eight million, three hundred eighteen thousand, one hundred ninety-seven".