5326325721 has 16 divisors (see below), whose sum is σ = 7892411520. Its totient is φ = 3550182480.

The previous prime is 5326325699. The next prime is 5326325723. The reversal of 5326325721 is 1275236235.

5326325721 is a `hidden beast` number, since 5 + 326 + 325 + 7 + 2 + 1 = 666.

It is not a de Polignac number, because 5326325721 - 2⁹ = 5326325209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5326325723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144996 + ... + 177978.

It is an arithmetic number, because the mean of its divisors is an integer number (493275720).

Almost surely, 2^5326325721 is an apocalyptic number.

It is an amenable number.

5326325721 is a deficient number, since it is larger than the sum of its proper divisors (2566085799).

5326325721 is a wasteful number, since it uses less digits than its factorization.

5326325721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38973 (or 38967 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 5326325721 is about 72981.6807219456. The cubic root of 5326325721 is about 1746.3953799276.

The spelling of 5326325721 in words is "five billion, three hundred twenty-six million, three hundred twenty-five thousand, seven hundred twenty-one".