695545 has 4 divisors (see below), whose sum is σ = 834660. Its totient is φ = 556432.

The previous prime is 695509. The next prime is 695561. The reversal of 695545 is 545596.

It is a happy number.

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 480249 + 215296 = 693^2 + 464^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-695545 is a prime.

695545 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 695545.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69550 + ... + 69559.

It is an arithmetic number, because the mean of its divisors is an integer number (208665).

2⁶⁹⁵⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

695545 is a deficient number, since it is larger than the sum of its proper divisors (139115).

695545 is a wasteful number, since it uses less digits than its factorization.

695545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139114.

The product of its digits is 27000, while the sum is 34.

The square root of 695545 is about 833.9934052497. The cubic root of 695545 is about 88.6016366660.

The spelling of 695545 in words is "six hundred ninety-five thousand, five hundred forty-five".