325547745522 has 32 divisors (see below), whose sum is σ = 652801344000. Its totient is φ = 108231700608.

The previous prime is 325547745499. The next prime is 325547745547. The reversal of 325547745522 is 225547745523.

It is a super-2 number, since 2×325547745522² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25512768 + ... + 25525524.

It is an arithmetic number, because the mean of its divisors is an integer number (20400042000).

Almost surely, 2^325547745522 is an apocalyptic number.

325547745522 is an abundant number, since it is smaller than the sum of its proper divisors (327253598478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

325547745522 is a wasteful number, since it uses less digits than its factorization.

325547745522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23570.

The product of its digits is 11760000, while the sum is 51.

Subtracting from 325547745522 its reverse (225547745523), we obtain a palindrome (99999999999).

The spelling of 325547745522 in words is "three hundred twenty-five billion, five hundred forty-seven million, seven hundred forty-five thousand, five hundred twenty-two".