225132505250 has 16 divisors (see below), whose sum is σ = 421448050296. Its totient is φ = 90053002000.

The previous prime is 225132505223. The next prime is 225132505261. The reversal of 225132505250 is 52505231522.

225132505250 is digitally balanced in base 3, 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 21210718321 + 203921786929 = 145639^2 + 451577^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450264761 + ... + 450265260.

Almost surely, 2^225132505250 is an apocalyptic number.

225132505250 is a deficient number, since it is larger than the sum of its proper divisors (196315545046).

225132505250 is an equidigital number, since it uses as much as digits as its factorization.

225132505250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900530038 (or 900530028 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

Adding to 225132505250 its reverse (52505231522), we get a palindrome (277637736772).

The spelling of 225132505250 in words is "two hundred twenty-five billion, one hundred thirty-two million, five hundred five thousand, two hundred fifty".