325545440225 has 24 divisors (see below), whose sum is σ = 423365849280. Its totient is φ = 247848413120.

The previous prime is 325545440219. The next prime is 325545440237. The reversal of 325545440225 is 522044545523.

It is not a de Polignac number, because 325545440225 - 2⁶ = 325545440161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1323695 + ... + 1550244.

It is an arithmetic number, because the mean of its divisors is an integer number (17640243720).

Almost surely, 2^325545440225 is an apocalyptic number.

It is an amenable number.

325545440225 is a deficient number, since it is larger than the sum of its proper divisors (97820409055).

325545440225 is a wasteful number, since it uses less digits than its factorization.

325545440225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874169 (or 2874164 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 41.

Adding to 325545440225 its reverse (522044545523), we get a palindrome (847589985748).

The spelling of 325545440225 in words is "three hundred twenty-five billion, five hundred forty-five million, four hundred forty thousand, two hundred twenty-five".