197016907 has 2 divisors, whose sum is σ = 197016908. Its totient is φ = 197016906.

The previous prime is 197016901. The next prime is 197016913. The reversal of 197016907 is 709610791.

It is a balanced prime because it is at equal distance from previous prime (197016901) and next prime (197016913).

It is an emirp because it is prime and its reverse (709610791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 197016907 - 2⁷ = 197016779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 197016907.

It is not a weakly prime, because it can be changed into another prime (197016901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98508453 + 98508454.

It is an arithmetic number, because the mean of its divisors is an integer number (98508454).

Almost surely, 2^197016907 is an apocalyptic number.

197016907 is a deficient number, since it is larger than the sum of its proper divisors (1).

197016907 is an equidigital number, since it uses as much as digits as its factorization.

197016907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814, while the sum is 40.

The square root of 197016907 is about 14036.2711216334. The cubic root of 197016907 is about 581.8814319384.

The spelling of 197016907 in words is "one hundred ninety-seven million, sixteen thousand, nine hundred seven".