225236253 has 16 divisors (see below), whose sum is σ = 327914496. Its totient is φ = 136382640.

The previous prime is 225236251. The next prime is 225236257. The reversal of 225236253 is 352632522.

It is not a de Polignac number, because 225236253 - 2¹ = 225236251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225236253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225236251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44700 + ... + 49482.

It is an arithmetic number, because the mean of its divisors is an integer number (20494656).

Almost surely, 2^225236253 is an apocalyptic number.

It is an amenable number.

225236253 is a deficient number, since it is larger than the sum of its proper divisors (102678243).

225236253 is a wasteful number, since it uses less digits than its factorization.

225236253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6224.

The product of its digits is 21600, while the sum is 30.

The square root of 225236253 is about 15007.8730338446. The cubic root of 225236253 is about 608.4330048650.

Adding to 225236253 its reverse (352632522), we get a palindrome (577868775).

The spelling of 225236253 in words is "two hundred twenty-five million, two hundred thirty-six thousand, two hundred fifty-three".