695651 has 4 divisors (see below), whose sum is σ = 758904. Its totient is φ = 632400.

The previous prime is 695641. The next prime is 695659. The reversal of 695651 is 156596.

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 695651 - 2¹⁸ = 433507 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 695651.

It is not an unprimeable number, because it can be changed into a prime (695659) 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, 31610 + ... + 31631.

It is an arithmetic number, because the mean of its divisors is an integer number (189726).

2⁶⁹⁵⁶⁵¹ is an apocalyptic number.

695651 is a deficient number, since it is larger than the sum of its proper divisors (63253).

695651 is a wasteful number, since it uses less digits than its factorization.

695651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63252.

The product of its digits is 8100, while the sum is 32.

The square root of 695651 is about 834.0569524919. The cubic root of 695651 is about 88.6061373556.

It can be divided in two parts, 6956 and 51, that added together give a palindrome (7007).

The spelling of 695651 in words is "six hundred ninety-five thousand, six hundred fifty-one".