8258197 has 2 divisors, whose sum is σ = 8258198. Its totient is φ = 8258196.

The previous prime is 8258177. The next prime is 8258203. The reversal of 8258197 is 7918528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7017201 + 1240996 = 2649^2 + 1114^2 .

It is a cyclic number.

It is not a de Polignac number, because 8258197 - 2¹⁵ = 8225429 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8258137) 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 as a sum of consecutive naturals, namely, 4129098 + 4129099.

It is an arithmetic number, because the mean of its divisors is an integer number (4129099).

Almost surely, 2^8258197 is an apocalyptic number.

It is an amenable number.

8258197 is a deficient number, since it is larger than the sum of its proper divisors (1).

8258197 is an equidigital number, since it uses as much as digits as its factorization.

8258197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 40.

The square root of 8258197 is about 2873.7078835539. The cubic root of 8258197 is about 202.1289001815.

The spelling of 8258197 in words is "eight million, two hundred fifty-eight thousand, one hundred ninety-seven".