97085161 has 2 divisors, whose sum is σ = 97085162. Its totient is φ = 97085160.

The previous prime is 97085143. The next prime is 97085167. The reversal of 97085161 is 16158079.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96412761 + 672400 = 9819^2 + 820^2 .

It is a cyclic number.

It is not a de Polignac number, because 97085161 - 2⁵ = 97085129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97085161.

It is not a weakly prime, because it can be changed into another prime (97085167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48542580 + 48542581.

It is an arithmetic number, because the mean of its divisors is an integer number (48542581).

Almost surely, 2^97085161 is an apocalyptic number.

It is an amenable number.

97085161 is a deficient number, since it is larger than the sum of its proper divisors (1).

97085161 is an equidigital number, since it uses as much as digits as its factorization.

97085161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 97085161 is about 9853.1802480214. The cubic root of 97085161 is about 459.6045135739.

The spelling of 97085161 in words is "ninety-seven million, eighty-five thousand, one hundred sixty-one".