197371 has 2 divisors, whose sum is σ = 197372. Its totient is φ = 197370.

The previous prime is 197369. The next prime is 197381. The reversal of 197371 is 173791.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 197371 - 2¹ = 197369 is a prime.

Together with 197369, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (197311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98685 + 98686.

It is an arithmetic number, because the mean of its divisors is an integer number (98686).

2¹⁹⁷³⁷¹ is an apocalyptic number.

197371 is a deficient number, since it is larger than the sum of its proper divisors (1).

197371 is an equidigital number, since it uses as much as digits as its factorization.

197371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1323, while the sum is 28.

The square root of 197371 is about 444.2645608193. The cubic root of 197371 is about 58.2229823068. Note that the first 3 decimals are identical.

The spelling of 197371 in words is "one hundred ninety-seven thousand, three hundred seventy-one".