2104532321 has 16 divisors (see below), whose sum is σ = 2260319040. Its totient is φ = 1953357120.

The previous prime is 2104532299. The next prime is 2104532351. The reversal of 2104532321 is 1232354012.

It is a cyclic number.

It is not a de Polignac number, because 2104532321 - 2²⁶ = 2037423457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2104532351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1129931 + ... + 1131791.

It is an arithmetic number, because the mean of its divisors is an integer number (141269940).

Almost surely, 2^2104532321 is an apocalyptic number.

It is an amenable number.

2104532321 is a deficient number, since it is larger than the sum of its proper divisors (155786719).

2104532321 is a wasteful number, since it uses less digits than its factorization.

2104532321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2104532321 is about 45875.1819723911. The cubic root of 2104532321 is about 1281.4997721864.

Adding to 2104532321 its reverse (1232354012), we get a palindrome (3336886333).

The spelling of 2104532321 in words is "two billion, one hundred four million, five hundred thirty-two thousand, three hundred twenty-one".