695671 has 4 divisors (see below), whose sum is σ = 718144. Its totient is φ = 673200.

The previous prime is 695663. The next prime is 695677. The reversal of 695671 is 176596.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 695671 - 2³ = 695663 is a prime.

It is a Duffinian number.

695671 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (695677) 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 in 3 ways as a sum of consecutive naturals, for example, 11190 + ... + 11251.

It is an arithmetic number, because the mean of its divisors is an integer number (179536).

2⁶⁹⁵⁶⁷¹ is an apocalyptic number.

695671 is a deficient number, since it is larger than the sum of its proper divisors (22473).

695671 is a wasteful number, since it uses less digits than its factorization.

695671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22472.

The product of its digits is 11340, while the sum is 34.

The square root of 695671 is about 834.0689419946. The cubic root of 695671 is about 88.6069864910.

The spelling of 695671 in words is "six hundred ninety-five thousand, six hundred seventy-one".