695677 has 2 divisors, whose sum is σ = 695678. Its totient is φ = 695676.

The previous prime is 695663. The next prime is 695687. The reversal of 695677 is 776596.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 695556 + 121 = 834^2 + 11^2 .

It is a cyclic number.

It is not a de Polignac number, because 695677 - 2¹¹ = 693629 is a prime.

It is a Chen prime.

695677 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (695627) 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, 347838 + 347839.

It is an arithmetic number, because the mean of its divisors is an integer number (347839).

2⁶⁹⁵⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

695677 is a deficient number, since it is larger than the sum of its proper divisors (1).

695677 is an equidigital number, since it uses as much as digits as its factorization.

695677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 40.

The square root of 695677 is about 834.0725388118. The cubic root of 695677 is about 88.6072412285.

The spelling of 695677 in words is "six hundred ninety-five thousand, six hundred seventy-seven".