171283525382197 has 2 divisors, whose sum is σ = 171283525382198. Its totient is φ = 171283525382196.

The previous prime is 171283525382159. The next prime is 171283525382219. The reversal of 171283525382197 is 791283525382171.

171283525382197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171177422743441 + 106102638756 = 13083479^2 + 325734^2 .

It is a cyclic number.

It is not a de Polignac number, because 171283525382197 - 2¹⁵ = 171283525349429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171283525382597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85641762691098 + 85641762691099.

It is an arithmetic number, because the mean of its divisors is an integer number (85641762691099).

Almost surely, 2^{171283525382197} is an apocalyptic number.

It is an amenable number.

171283525382197 is a deficient number, since it is larger than the sum of its proper divisors (1).

171283525382197 is an equidigital number, since it uses as much as digits as its factorization.

171283525382197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50803200, while the sum is 64.

The spelling of 171283525382197 in words is "one hundred seventy-one trillion, two hundred eighty-three billion, five hundred twenty-five million, three hundred eighty-two thousand, one hundred ninety-seven".