225103 has 4 divisors (see below), whose sum is σ = 226648. Its totient is φ = 223560.

The previous prime is 225089. The next prime is 225109. The reversal of 225103 is 301522.

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 225103 - 2⁹ = 224591 is a prime.

It is a Duffinian number.

225103 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225109) 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, 528 + ... + 853.

It is an arithmetic number, because the mean of its divisors is an integer number (56662).

2²²⁵¹⁰³ is an apocalyptic number.

225103 is a deficient number, since it is larger than the sum of its proper divisors (1545).

225103 is a wasteful number, since it uses less digits than its factorization.

225103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 225103 is about 474.4502081357. The cubic root of 225103 is about 60.8312995296.

Adding to 225103 its reverse (301522), we get a palindrome (526625).

The spelling of 225103 in words is "two hundred twenty-five thousand, one hundred three".