695530091 has 2 divisors, whose sum is σ = 695530092. Its totient is φ = 695530090.

The previous prime is 695530081. The next prime is 695530159. The reversal of 695530091 is 190035596.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-695530091 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (695530001) 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, 347765045 + 347765046.

It is an arithmetic number, because the mean of its divisors is an integer number (347765046).

Almost surely, 2^695530091 is an apocalyptic number.

695530091 is a deficient number, since it is larger than the sum of its proper divisors (1).

695530091 is an equidigital number, since it uses as much as digits as its factorization.

695530091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36450, while the sum is 38.

The square root of 695530091 is about 26372.9044854752. The cubic root of 695530091 is about 886.0100360309.

The spelling of 695530091 in words is "six hundred ninety-five million, five hundred thirty thousand, ninety-one".