695495651 has 2 divisors, whose sum is σ = 695495652. Its totient is φ = 695495650.

The previous prime is 695495641. The next prime is 695495657. The reversal of 695495651 is 156594596.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 695495651 - 2¹⁸ = 695233507 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 695495651.

It is not a weakly prime, because it can be changed into another prime (695495657) 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, 347747825 + 347747826.

It is an arithmetic number, because the mean of its divisors is an integer number (347747826).

Almost surely, 2^695495651 is an apocalyptic number.

695495651 is a deficient number, since it is larger than the sum of its proper divisors (1).

695495651 is an equidigital number, since it uses as much as digits as its factorization.

695495651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1458000, while the sum is 50.

The square root of 695495651 is about 26372.2515345201. The cubic root of 695495651 is about 885.9954118425.

The spelling of 695495651 in words is "six hundred ninety-five million, four hundred ninety-five thousand, six hundred fifty-one".