225113 has 4 divisors (see below), whose sum is σ = 257280. Its totient is φ = 192948.

The previous prime is 225109. The next prime is 225119. The reversal of 225113 is 311522.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 225113 - 2² = 225109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (225119) 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, 16073 + ... + 16086.

It is an arithmetic number, because the mean of its divisors is an integer number (64320).

2²²⁵¹¹³ is an apocalyptic number.

It is an amenable number.

225113 is a deficient number, since it is larger than the sum of its proper divisors (32167).

225113 is an equidigital number, since it uses as much as digits as its factorization.

225113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32166.

The product of its digits is 60, while the sum is 14.

The square root of 225113 is about 474.4607465323. The cubic root of 225113 is about 60.8322003083.

Adding to 225113 its reverse (311522), we get a palindrome (536635).

It can be divided in two parts, 225 and 113, that multiplied together give a triangular number (25425 = T₂₂₅).

The spelling of 225113 in words is "two hundred twenty-five thousand, one hundred thirteen".