225695 has 4 divisors (see below), whose sum is σ = 270840. Its totient is φ = 180552.

The previous prime is 225689. The next prime is 225697. The reversal of 225695 is 596522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 596522 = 2 ⋅298261.

It is a cyclic number.

It is not a de Polignac number, because 225695 - 2¹⁴ = 209311 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22565 + ... + 22574.

It is an arithmetic number, because the mean of its divisors is an integer number (67710).

2²²⁵⁶⁹⁵ is an apocalyptic number.

225695 is a deficient number, since it is larger than the sum of its proper divisors (45145).

225695 is an equidigital number, since it uses as much as digits as its factorization.

225695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45144.

The product of its digits is 5400, while the sum is 29.

The square root of 225695 is about 475.0736784963. The cubic root of 225695 is about 60.8845797404.

The spelling of 225695 in words is "two hundred twenty-five thousand, six hundred ninety-five".