225065213251 has 16 divisors (see below), whose sum is σ = 230053824000. Its totient is φ = 220131072000.

The previous prime is 225065213227. The next prime is 225065213291. The reversal of 225065213251 is 152312560522.

It is a cyclic number.

It is not a de Polignac number, because 225065213251 - 2⁷ = 225065213123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225065213291) 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, 8230800 + ... + 8258098.

It is an arithmetic number, because the mean of its divisors is an integer number (14378364000).

Almost surely, 2^225065213251 is an apocalyptic number.

225065213251 is a deficient number, since it is larger than the sum of its proper divisors (4988610749).

225065213251 is a wasteful number, since it uses less digits than its factorization.

225065213251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28290.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 225065213251 its reverse (152312560522), we get a palindrome (377377773773).

The spelling of 225065213251 in words is "two hundred twenty-five billion, sixty-five million, two hundred thirteen thousand, two hundred fifty-one".