325518032321 has 8 divisors (see below), whose sum is σ = 340924395264. Its totient is φ = 310216119840.

The previous prime is 325518032311. The next prime is 325518032339. The reversal of 325518032321 is 123230815523.

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

It is a cyclic number.

It is not a de Polignac number, because 325518032321 - 2¹⁸ = 325517770177 is a prime.

It is a super-2 number, since 2×325518032321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325518032311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26106236 + ... + 26118701.

It is an arithmetic number, because the mean of its divisors is an integer number (42615549408).

Almost surely, 2^325518032321 is an apocalyptic number.

It is an amenable number.

325518032321 is a deficient number, since it is larger than the sum of its proper divisors (15406362943).

325518032321 is a wasteful number, since it uses less digits than its factorization.

325518032321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52225231.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 325518032321 its reverse (123230815523), we get a palindrome (448748847844).

The spelling of 325518032321 in words is "three hundred twenty-five billion, five hundred eighteen million, thirty-two thousand, three hundred twenty-one".