225019253 has 4 divisors (see below), whose sum is σ = 225049260. Its totient is φ = 224989248.

The previous prime is 225019247. The next prime is 225019271. The reversal of 225019253 is 352910522.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 149989009 + 75030244 = 12247^2 + 8662^2 .

It is a cyclic number.

It is not a de Polignac number, because 225019253 - 2¹⁶ = 224953717 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 (225019153) 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, 7103 + ... + 22371.

It is an arithmetic number, because the mean of its divisors is an integer number (56262315).

Almost surely, 2^225019253 is an apocalyptic number.

It is an amenable number.

225019253 is a deficient number, since it is larger than the sum of its proper divisors (30007).

225019253 is a wasteful number, since it uses less digits than its factorization.

225019253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30006.

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

The square root of 225019253 is about 15000.6417529384. The cubic root of 225019253 is about 608.2375473048.

Adding to 225019253 its reverse (352910522), we get a palindrome (577929775).

The spelling of 225019253 in words is "two hundred twenty-five million, nineteen thousand, two hundred fifty-three".