225043245321 has 16 divisors (see below), whose sum is σ = 313131254784. Its totient is φ = 143493183504.

The previous prime is 225043245313. The next prime is 225043245377. The reversal of 225043245321 is 123542340522.

225043245321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225043245321 - 2³ = 225043245313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225043245521) 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 15 ways as a sum of consecutive naturals, for example, 678180 + ... + 953946.

It is an arithmetic number, because the mean of its divisors is an integer number (19570703424).

Almost surely, 2^225043245321 is an apocalyptic number.

It is an amenable number.

225043245321 is a deficient number, since it is larger than the sum of its proper divisors (88088009463).

225043245321 is a wasteful number, since it uses less digits than its factorization.

225043245321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287620.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 225043245321 its reverse (123542340522), we get a palindrome (348585585843).

The spelling of 225043245321 in words is "two hundred twenty-five billion, forty-three million, two hundred forty-five thousand, three hundred twenty-one".