193340197 has 2 divisors, whose sum is σ = 193340198. Its totient is φ = 193340196.

The previous prime is 193340177. The next prime is 193340233. The reversal of 193340197 is 791043391.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113934276 + 79405921 = 10674^2 + 8911^2 .

It is a cyclic number.

It is not a de Polignac number, because 193340197 - 2¹¹ = 193338149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (193340137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96670098 + 96670099.

It is an arithmetic number, because the mean of its divisors is an integer number (96670099).

Almost surely, 2^193340197 is an apocalyptic number.

It is an amenable number.

193340197 is a deficient number, since it is larger than the sum of its proper divisors (1).

193340197 is an equidigital number, since it uses as much as digits as its factorization.

193340197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 193340197 is about 13904.6825566066. The cubic root of 193340197 is about 578.2390076869.

The spelling of 193340197 in words is "one hundred ninety-three million, three hundred forty thousand, one hundred ninety-seven".