8292521321 has 16 divisors (see below), whose sum is σ = 9675638400. Its totient is φ = 7104157200.

The previous prime is 8292521309. The next prime is 8292521323. The reversal of 8292521321 is 1231252928.

It is not a de Polignac number, because 8292521321 - 2¹⁴ = 8292504937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8292521323) 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 15 ways as a sum of consecutive naturals, for example, 799871 + ... + 810171.

It is an arithmetic number, because the mean of its divisors is an integer number (604727400).

Almost surely, 2^8292521321 is an apocalyptic number.

It is an amenable number.

8292521321 is a deficient number, since it is larger than the sum of its proper divisors (1383117079).

8292521321 is a wasteful number, since it uses less digits than its factorization.

8292521321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12669 (or 12655 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 8292521321 is about 91063.2819582075. The cubic root of 8292521321 is about 2024.0855553967.

The spelling of 8292521321 in words is "eight billion, two hundred ninety-two million, five hundred twenty-one thousand, three hundred twenty-one".