695662897 has 2 divisors, whose sum is σ = 695662898. Its totient is φ = 695662896.

The previous prime is 695662879. The next prime is 695662907. The reversal of 695662897 is 798266596.

Together with previous prime (695662879) 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., 421727296 + 273935601 = 20536^2 + 16551^2 .

It is a cyclic number.

It is not a de Polignac number, because 695662897 - 2¹⁵ = 695630129 is a prime.

It is not a weakly prime, because it can be changed into another prime (695662397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347831448 + 347831449.

It is an arithmetic number, because the mean of its divisors is an integer number (347831449).

Almost surely, 2^695662897 is an apocalyptic number.

It is an amenable number.

695662897 is a deficient number, since it is larger than the sum of its proper divisors (1).

695662897 is an equidigital number, since it uses as much as digits as its factorization.

695662897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9797760, while the sum is 58.

The square root of 695662897 is about 26375.4222146300. The cubic root of 695662897 is about 886.0664246578.

The spelling of 695662897 in words is "six hundred ninety-five million, six hundred sixty-two thousand, eight hundred ninety-seven".