225204253 has 8 divisors (see below), whose sum is σ = 242361720. Its totient is φ = 208481280.

The previous prime is 225204251. The next prime is 225204257. The reversal of 225204253 is 352402522.

It is a happy number.

225204253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5631129 + 219573124 = 2373^2 + 14818^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225204253 - 2¹ = 225204251 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 (225204251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107548 + ... + 109621.

It is an arithmetic number, because the mean of its divisors is an integer number (30295215).

Almost surely, 2^225204253 is an apocalyptic number.

It is an amenable number.

225204253 is a deficient number, since it is larger than the sum of its proper divisors (17157467).

225204253 is a wasteful number, since it uses less digits than its factorization.

225204253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217247.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 225204253 is about 15006.8068888755. The cubic root of 225204253 is about 608.4041895240.

Adding to 225204253 its reverse (352402522), we get a palindrome (577606775).

The spelling of 225204253 in words is "two hundred twenty-five million, two hundred four thousand, two hundred fifty-three".