325440042521 has 8 divisors (see below), whose sum is σ = 375909354144. Its totient is φ = 278451373120.

The previous prime is 325440042509. The next prime is 325440042523. The reversal of 325440042521 is 125240044523.

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 325440042521 - 2¹⁰ = 325440041497 is a prime.

It is a super-2 number, since 2×325440042521² (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 (325440042523) 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, 870160355 + ... + 870160728.

It is an arithmetic number, because the mean of its divisors is an integer number (46988669268).

Almost surely, 2^325440042521 is an apocalyptic number.

It is an amenable number.

325440042521 is a deficient number, since it is larger than the sum of its proper divisors (50469311623).

325440042521 is a wasteful number, since it uses less digits than its factorization.

325440042521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740321111.

The product of its (nonzero) digits is 38400, while the sum is 32.

The spelling of 325440042521 in words is "three hundred twenty-five billion, four hundred forty million, forty-two thousand, five hundred twenty-one".