97071197 has 2 divisors, whose sum is σ = 97071198. Its totient is φ = 97071196.

The previous prime is 97071187. The next prime is 97071229. The reversal of 97071197 is 79117079.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76405081 + 20666116 = 8741^2 + 4546^2 .

It is a cyclic number.

It is not a de Polignac number, because 97071197 - 2¹⁰ = 97070173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97071187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48535598 + 48535599.

It is an arithmetic number, because the mean of its divisors is an integer number (48535599).

Almost surely, 2^97071197 is an apocalyptic number.

It is an amenable number.

97071197 is a deficient number, since it is larger than the sum of its proper divisors (1).

97071197 is an equidigital number, since it uses as much as digits as its factorization.

97071197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27783, while the sum is 41.

The square root of 97071197 is about 9852.4716188376. The cubic root of 97071197 is about 459.5824771642.

The spelling of 97071197 in words is "ninety-seven million, seventy-one thousand, one hundred ninety-seven".