197274089 has 2 divisors, whose sum is σ = 197274090. Its totient is φ = 197274088.

The previous prime is 197274029. The next prime is 197274097. The reversal of 197274089 is 980472791.

197274089 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., 99600400 + 97673689 = 9980^2 + 9883^2 .

It is an emirp because it is prime and its reverse (980472791) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197274089 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (197274019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98637044 + 98637045.

It is an arithmetic number, because the mean of its divisors is an integer number (98637045).

Almost surely, 2^197274089 is an apocalyptic number.

It is an amenable number.

197274089 is a deficient number, since it is larger than the sum of its proper divisors (1).

197274089 is an equidigital number, since it uses as much as digits as its factorization.

197274089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 47.

The square root of 197274089 is about 14045.4294701159. The cubic root of 197274089 is about 582.1345140443.

The spelling of 197274089 in words is "one hundred ninety-seven million, two hundred seventy-four thousand, eighty-nine".