225132505251 has 8 divisors (see below), whose sum is σ = 307157526720. Its totient is φ = 146597910312.

The previous prime is 225132505223. The next prime is 225132505261. The reversal of 225132505251 is 152505231522.

225132505251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 225132505251 - 2¹⁵ = 225132472483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225132505261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872606481 + ... + 872606738.

It is an arithmetic number, because the mean of its divisors is an integer number (38394690840).

Almost surely, 2^225132505251 is an apocalyptic number.

225132505251 is a deficient number, since it is larger than the sum of its proper divisors (82025021469).

225132505251 is a wasteful number, since it uses less digits than its factorization.

225132505251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745213265.

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 225132505251 its reverse (152505231522), we get a palindrome (377637736773).

The spelling of 225132505251 in words is "two hundred twenty-five billion, one hundred thirty-two million, five hundred five thousand, two hundred fifty-one".