197608193 has 2 divisors, whose sum is σ = 197608194. Its totient is φ = 197608192.

The previous prime is 197608183. The next prime is 197608223. The reversal of 197608193 is 391806791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179774464 + 17833729 = 13408^2 + 4223^2 .

It is a cyclic number.

It is not a de Polignac number, because 197608193 - 2¹² = 197604097 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (197608183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98804096 + 98804097.

It is an arithmetic number, because the mean of its divisors is an integer number (98804097).

Almost surely, 2^197608193 is an apocalyptic number.

It is an amenable number.

197608193 is a deficient number, since it is larger than the sum of its proper divisors (1).

197608193 is an equidigital number, since it uses as much as digits as its factorization.

197608193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 197608193 is about 14057.3181297145. The cubic root of 197608193 is about 582.4629636236.

The spelling of 197608193 in words is "one hundred ninety-seven million, six hundred eight thousand, one hundred ninety-three".