196171 has 2 divisors, whose sum is σ = 196172. Its totient is φ = 196170.

The previous prime is 196169. The next prime is 196177. The reversal of 196171 is 171691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 196171 - 2¹ = 196169 is a prime.

It is a super-2 number, since 2×196171² = 76966122482, which contains 22 as substring.

Together with 196169, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (196177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98085 + 98086.

It is an arithmetic number, because the mean of its divisors is an integer number (98086).

2¹⁹⁶¹⁷¹ is an apocalyptic number.

196171 is a deficient number, since it is larger than the sum of its proper divisors (1).

196171 is an equidigital number, since it uses as much as digits as its factorization.

196171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378, while the sum is 25.

The square root of 196171 is about 442.9119551333. The cubic root of 196171 is about 58.1047453226.

The spelling of 196171 in words is "one hundred ninety-six thousand, one hundred seventy-one".