695543 has 4 divisors (see below), whose sum is σ = 725808. Its totient is φ = 665280.

The previous prime is 695509. The next prime is 695561. The reversal of 695543 is 345596.

It is a happy number.

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 695543 - 2¹⁸ = 433399 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 (695503) 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, 15098 + ... + 15143.

It is an arithmetic number, because the mean of its divisors is an integer number (181452).

2⁶⁹⁵⁵⁴³ is an apocalyptic number.

695543 is a deficient number, since it is larger than the sum of its proper divisors (30265).

695543 is a wasteful number, since it uses less digits than its factorization.

695543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30264.

The product of its digits is 16200, while the sum is 32.

The square root of 695543 is about 833.9922061986. The cubic root of 695543 is about 88.6015517429.

The spelling of 695543 in words is "six hundred ninety-five thousand, five hundred forty-three".