8255197 has 2 divisors, whose sum is σ = 8255198. Its totient is φ = 8255196.

The previous prime is 8255179. The next prime is 8255213. The reversal of 8255197 is 7915528.

Together with previous prime (8255179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6120676 + 2134521 = 2474^2 + 1461^2 .

It is a cyclic number.

It is not a de Polignac number, because 8255197 - 2¹¹ = 8253149 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 (8255147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4127598 + 4127599.

It is an arithmetic number, because the mean of its divisors is an integer number (4127599).

Almost surely, 2^8255197 is an apocalyptic number.

It is an amenable number.

8255197 is a deficient number, since it is larger than the sum of its proper divisors (1).

8255197 is an equidigital number, since it uses as much as digits as its factorization.

8255197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 37.

The square root of 8255197 is about 2873.1858624182. The cubic root of 8255197 is about 202.1044210632.

The spelling of 8255197 in words is "eight million, two hundred fifty-five thousand, one hundred ninety-seven".