97486512173 has 2 divisors, whose sum is σ = 97486512174. Its totient is φ = 97486512172.

The previous prime is 97486512103. The next prime is 97486512181. The reversal of 97486512173 is 37121568479.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81468572329 + 16017939844 = 285427^2 + 126562^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97486512173 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97486512103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48743256086 + 48743256087.

It is an arithmetic number, because the mean of its divisors is an integer number (48743256087).

Almost surely, 2^97486512173 is an apocalyptic number.

It is an amenable number.

97486512173 is a deficient number, since it is larger than the sum of its proper divisors (1).

97486512173 is an equidigital number, since it uses as much as digits as its factorization.

97486512173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 53.

The spelling of 97486512173 in words is "ninety-seven billion, four hundred eighty-six million, five hundred twelve thousand, one hundred seventy-three".