185005097 has 2 divisors, whose sum is σ = 185005098. Its totient is φ = 185005096.

The previous prime is 185005063. The next prime is 185005099. The reversal of 185005097 is 790500581.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134467216 + 50537881 = 11596^2 + 7109^2 .

It is a cyclic number.

It is not a de Polignac number, because 185005097 - 2¹⁰ = 185004073 is a prime.

Together with 185005099, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (185005099) 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, 92502548 + 92502549.

It is an arithmetic number, because the mean of its divisors is an integer number (92502549).

Almost surely, 2^185005097 is an apocalyptic number.

It is an amenable number.

185005097 is a deficient number, since it is larger than the sum of its proper divisors (1).

185005097 is an equidigital number, since it uses as much as digits as its factorization.

185005097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 35.

The square root of 185005097 is about 13601.6578768913. The cubic root of 185005097 is about 569.8071544201.

The spelling of 185005097 in words is "one hundred eighty-five million, five thousand, ninety-seven".