695461631 has 2 divisors, whose sum is σ = 695461632. Its totient is φ = 695461630.

The previous prime is 695461607. The next prime is 695461643. The reversal of 695461631 is 136164596.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 695461631 - 2¹⁰ = 695460607 is a prime.

It is a super-2 number, since 2×695461631² = 967333760386360322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (695461681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347730815 + 347730816.

It is an arithmetic number, because the mean of its divisors is an integer number (347730816).

Almost surely, 2^695461631 is an apocalyptic number.

695461631 is a deficient number, since it is larger than the sum of its proper divisors (1).

695461631 is an equidigital number, since it uses as much as digits as its factorization.

695461631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 41.

The square root of 695461631 is about 26371.6065305093. The cubic root of 695461631 is about 885.9809655238.

The spelling of 695461631 in words is "six hundred ninety-five million, four hundred sixty-one thousand, six hundred thirty-one".