197316907 has 2 divisors, whose sum is σ = 197316908. Its totient is φ = 197316906.

The previous prime is 197316901. The next prime is 197316929. The reversal of 197316907 is 709613791.

197316907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197316907 is a prime.

It is not a weakly prime, because it can be changed into another prime (197316901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98658453 + 98658454.

It is an arithmetic number, because the mean of its divisors is an integer number (98658454).

Almost surely, 2^197316907 is an apocalyptic number.

197316907 is a deficient number, since it is larger than the sum of its proper divisors (1).

197316907 is an equidigital number, since it uses as much as digits as its factorization.

197316907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71442, while the sum is 43.

The square root of 197316907 is about 14046.9536555084. The cubic root of 197316907 is about 582.1766280941.

The spelling of 197316907 in words is "one hundred ninety-seven million, three hundred sixteen thousand, nine hundred seven".