97381171 has 2 divisors, whose sum is σ = 97381172. Its totient is φ = 97381170.

The previous prime is 97381169. The next prime is 97381243. The reversal of 97381171 is 17118379.

It is a weak prime.

It is an emirp because it is prime and its reverse (17118379) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97381171 - 2¹ = 97381169 is a prime.

Together with 97381169, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97381171.

It is not a weakly prime, because it can be changed into another prime (97381771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48690585 + 48690586.

It is an arithmetic number, because the mean of its divisors is an integer number (48690586).

Almost surely, 2^97381171 is an apocalyptic number.

97381171 is a deficient number, since it is larger than the sum of its proper divisors (1).

97381171 is an equidigital number, since it uses as much as digits as its factorization.

97381171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 37.

The square root of 97381171 is about 9868.1898542742. The cubic root of 97381171 is about 460.0711468404.

The spelling of 97381171 in words is "ninety-seven million, three hundred eighty-one thousand, one hundred seventy-one".