68183197 has 2 divisors, whose sum is σ = 68183198. Its totient is φ = 68183196.

The previous prime is 68183179. The next prime is 68183221. The reversal of 68183197 is 79138186.

Together with previous prime (68183179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50993881 + 17189316 = 7141^2 + 4146^2 .

It is a cyclic number.

It is not a de Polignac number, because 68183197 - 2²³ = 59794589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68183117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34091598 + 34091599.

It is an arithmetic number, because the mean of its divisors is an integer number (34091599).

Almost surely, 2^68183197 is an apocalyptic number.

It is an amenable number.

68183197 is a deficient number, since it is larger than the sum of its proper divisors (1).

68183197 is an equidigital number, since it uses as much as digits as its factorization.

68183197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 43.

The square root of 68183197 is about 8257.3117296127. The cubic root of 68183197 is about 408.5317241515.

The spelling of 68183197 in words is "sixty-eight million, one hundred eighty-three thousand, one hundred ninety-seven".