8231484521 has 8 divisors (see below), whose sum is σ = 8917131720. Its totient is φ = 7598291376.

The previous prime is 8231484493. The next prime is 8231484577. The reversal of 8231484521 is 1254841328.

It can be written as a sum of positive squares in 4 ways, for example, as 1977047296 + 6254437225 = 44464^2 + 79085^2 .

It is not a de Polignac number, because 8231484521 - 2¹⁰ = 8231483497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8231484221) 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, 1871150 + ... + 1875543.

It is an arithmetic number, because the mean of its divisors is an integer number (1114641465).

Almost surely, 2^8231484521 is an apocalyptic number.

It is an amenable number.

8231484521 is a deficient number, since it is larger than the sum of its proper divisors (685647199).

8231484521 is an equidigital number, since it uses as much as digits as its factorization.

8231484521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3746732 (or 3746706 counting only the distinct ones).

The product of its digits is 61440, while the sum is 38.

The square root of 8231484521 is about 90727.5290140760. The cubic root of 8231484521 is about 2019.1072518950.

The spelling of 8231484521 in words is "eight billion, two hundred thirty-one million, four hundred eighty-four thousand, five hundred twenty-one".