695861 has 4 divisors (see below), whose sum is σ = 736812. Its totient is φ = 654912.

The previous prime is 695843. The next prime is 695867. The reversal of 695861 is 168596.

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

It can be written as a sum of positive squares in 2 ways, for example, as 372100 + 323761 = 610^2 + 569^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-695861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (695867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20450 + ... + 20483.

It is an arithmetic number, because the mean of its divisors is an integer number (184203).

2⁶⁹⁵⁸⁶¹ is an apocalyptic number.

It is an amenable number.

695861 is a deficient number, since it is larger than the sum of its proper divisors (40951).

695861 is a wasteful number, since it uses less digits than its factorization.

695861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40950.

The product of its digits is 12960, while the sum is 35.

The square root of 695861 is about 834.1828336762. The cubic root of 695861 is about 88.6150524662.

The spelling of 695861 in words is "six hundred ninety-five thousand, eight hundred sixty-one".