97180147 has 2 divisors, whose sum is σ = 97180148. Its totient is φ = 97180146.

The previous prime is 97180091. The next prime is 97180157. The reversal of 97180147 is 74108179.

It is a strong prime.

It is an emirp because it is prime and its reverse (74108179) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97180147 - 2¹¹ = 97178099 is a prime.

It is a nialpdrome in base 14.

It is not a weakly prime, because it can be changed into another prime (97180157) 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, 48590073 + 48590074.

It is an arithmetic number, because the mean of its divisors is an integer number (48590074).

Almost surely, 2^97180147 is an apocalyptic number.

97180147 is a deficient number, since it is larger than the sum of its proper divisors (1).

97180147 is an equidigital number, since it uses as much as digits as its factorization.

97180147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 97180147 is about 9857.9991377561. Note that the first 3 decimals coincide. The cubic root of 97180147 is about 459.7543537220.

It can be divided in two parts, 971 and 80147, that added together give a palindrome (81118).

The spelling of 97180147 in words is "ninety-seven million, one hundred eighty thousand, one hundred forty-seven".