3271325821 has 4 divisors (see below), whose sum is σ = 3272128000. Its totient is φ = 3270523644.

The previous prime is 3271325797. The next prime is 3271325839. The reversal of 3271325821 is 1285231723.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1285231723 = 2749 ⋅467527.

It is a cyclic number.

It is not a de Polignac number, because 3271325821 - 2⁷ = 3271325693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3271325851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394941 + ... + 403138.

It is an arithmetic number, because the mean of its divisors is an integer number (818032000).

Almost surely, 2^3271325821 is an apocalyptic number.

It is an amenable number.

3271325821 is a deficient number, since it is larger than the sum of its proper divisors (802179).

3271325821 is an equidigital number, since it uses as much as digits as its factorization.

3271325821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802178.

The product of its digits is 20160, while the sum is 34.

The square root of 3271325821 is about 57195.5052517241. The cubic root of 3271325821 is about 1484.4808534970.

The spelling of 3271325821 in words is "three billion, two hundred seventy-one million, three hundred twenty-five thousand, eight hundred twenty-one".