605668697 has 2 divisors, whose sum is σ = 605668698. Its totient is φ = 605668696.

The previous prime is 605668627. The next prime is 605668727. The reversal of 605668697 is 796866506.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 377175241 + 228493456 = 19421^2 + 15116^2 .

It is a cyclic number.

It is not a de Polignac number, because 605668697 - 2¹² = 605664601 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (605668627) 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, 302834348 + 302834349.

It is an arithmetic number, because the mean of its divisors is an integer number (302834349).

Almost surely, 2^605668697 is an apocalyptic number.

It is an amenable number.

605668697 is a deficient number, since it is larger than the sum of its proper divisors (1).

605668697 is an equidigital number, since it uses as much as digits as its factorization.

605668697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The square root of 605668697 is about 24610.3371980150. The cubic root of 605668697 is about 846.0805461634.

The spelling of 605668697 in words is "six hundred five million, six hundred sixty-eight thousand, six hundred ninety-seven".