695805697 has 2 divisors, whose sum is σ = 695805698. Its totient is φ = 695805696.

The previous prime is 695805679. The next prime is 695805701. The reversal of 695805697 is 796508596.

It is a happy number.

Together with previous prime (695805679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 692952976 + 2852721 = 26324^2 + 1689^2 .

It is a cyclic number.

It is not a de Polignac number, because 695805697 - 2²³ = 687417089 is a prime.

It is not a weakly prime, because it can be changed into another prime (695805797) 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, 347902848 + 347902849.

It is an arithmetic number, because the mean of its divisors is an integer number (347902849).

Almost surely, 2^695805697 is an apocalyptic number.

It is an amenable number.

695805697 is a deficient number, since it is larger than the sum of its proper divisors (1).

695805697 is an equidigital number, since it uses as much as digits as its factorization.

695805697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4082400, while the sum is 55.

The square root of 695805697 is about 26378.1291413929. The cubic root of 695805697 is about 886.1270486704.

The spelling of 695805697 in words is "six hundred ninety-five million, eight hundred five thousand, six hundred ninety-seven".