695523 has 4 divisors (see below), whose sum is σ = 927368. Its totient is φ = 463680.

The previous prime is 695509. The next prime is 695561. The reversal of 695523 is 325596.

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

It is not a de Polignac number, because 695523 - 2⁵ = 695491 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (695503) 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, 115918 + ... + 115923.

It is an arithmetic number, because the mean of its divisors is an integer number (231842).

2⁶⁹⁵⁵²³ is an apocalyptic number.

695523 is a deficient number, since it is larger than the sum of its proper divisors (231845).

695523 is a wasteful number, since it uses less digits than its factorization.

695523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231844.

The product of its digits is 8100, while the sum is 30.

The square root of 695523 is about 833.9802155927. The cubic root of 695523 is about 88.6007025033.

The spelling of 695523 in words is "six hundred ninety-five thousand, five hundred twenty-three".