5171567197 has 2 divisors, whose sum is σ = 5171567198. Its totient is φ = 5171567196.

The previous prime is 5171567189. The next prime is 5171567201. The reversal of 5171567197 is 7917651715.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5139599481 + 31967716 = 71691^2 + 5654^2 .

It is a cyclic number.

It is not a de Polignac number, because 5171567197 - 2³ = 5171567189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5171567197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5171567147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2585783598 + 2585783599.

It is an arithmetic number, because the mean of its divisors is an integer number (2585783599).

Almost surely, 2^5171567197 is an apocalyptic number.

It is an amenable number.

5171567197 is a deficient number, since it is larger than the sum of its proper divisors (1).

5171567197 is an equidigital number, since it uses as much as digits as its factorization.

5171567197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 463050, while the sum is 49.

The square root of 5171567197 is about 71913.6092613909. The cubic root of 5171567197 is about 1729.3147961948.

The spelling of 5171567197 in words is "five billion, one hundred seventy-one million, five hundred sixty-seven thousand, one hundred ninety-seven".