225135052 has 6 divisors (see below), whose sum is σ = 393986348. Its totient is φ = 112567524.

The previous prime is 225135013. The next prime is 225135061. The reversal of 225135052 is 250531522.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28141878 + ... + 28141885.

Almost surely, 2^225135052 is an apocalyptic number.

It is an amenable number.

225135052 is a deficient number, since it is larger than the sum of its proper divisors (168851296).

225135052 is a wasteful number, since it uses less digits than its factorization.

225135052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56283767 (or 56283765 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 225135052 is about 15004.5010580159. The cubic root of 225135052 is about 608.3418661133.

Adding to 225135052 its reverse (250531522), we get a palindrome (475666574).

The spelling of 225135052 in words is "two hundred twenty-five million, one hundred thirty-five thousand, fifty-two".