197369 has 2 divisors, whose sum is σ = 197370. Its totient is φ = 197368.

The previous prime is 197359. The next prime is 197371. The reversal of 197369 is 963791.

197369 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., 190969 + 6400 = 437^2 + 80^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197369 is a prime.

It is a super-2 number, since 2×197369² = 77909044322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 197371, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 197369.

It is not a weakly prime, because it can be changed into another prime (197339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98684 + 98685.

It is an arithmetic number, because the mean of its divisors is an integer number (98685).

2¹⁹⁷³⁶⁹ is an apocalyptic number.

It is an amenable number.

197369 is a deficient number, since it is larger than the sum of its proper divisors (1).

197369 is an equidigital number, since it uses as much as digits as its factorization.

197369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10206, while the sum is 35.

The square root of 197369 is about 444.2623099026. The cubic root of 197369 is about 58.2227856444. Note that the first 3 decimals are identical.

The spelling of 197369 in words is "one hundred ninety-seven thousand, three hundred sixty-nine".