2104332521 has 8 divisors (see below), whose sum is σ = 2110330464. Its totient is φ = 2098343520.

The previous prime is 2104332407. The next prime is 2104332523. The reversal of 2104332521 is 1252334012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2104332521 - 2¹⁰ = 2104331497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2104332523) 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, 1045406 + ... + 1047416.

It is an arithmetic number, because the mean of its divisors is an integer number (263791308).

Almost surely, 2^2104332521 is an apocalyptic number.

It is an amenable number.

2104332521 is a deficient number, since it is larger than the sum of its proper divisors (5997943).

2104332521 is a wasteful number, since it uses less digits than its factorization.

2104332521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4471.

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

The square root of 2104332521 is about 45873.0042726656. The cubic root of 2104332521 is about 1281.4592165794.

Adding to 2104332521 its reverse (1252334012), we get a palindrome (3356666533).

The spelling of 2104332521 in words is "two billion, one hundred four million, three hundred thirty-two thousand, five hundred twenty-one".