2104212533 has 4 divisors (see below), whose sum is σ = 2161083180. Its totient is φ = 2047341888.

The previous prime is 2104212527. The next prime is 2104212541. The reversal of 2104212533 is 3352124012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1505284804 + 598927729 = 38798^2 + 24473^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104212533 - 2⁶ = 2104212469 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2104212499 and 2104212508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104212563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28435268 + ... + 28435341.

It is an arithmetic number, because the mean of its divisors is an integer number (540270795).

Almost surely, 2^2104212533 is an apocalyptic number.

It is an amenable number.

2104212533 is a deficient number, since it is larger than the sum of its proper divisors (56870647).

2104212533 is an equidigital number, since it uses as much as digits as its factorization.

2104212533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56870646.

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

The square root of 2104212533 is about 45871.6964260098. The cubic root of 2104212533 is about 1281.4348600594.

Adding to 2104212533 its reverse (3352124012), we get a palindrome (5456336545).

The spelling of 2104212533 in words is "two billion, one hundred four million, two hundred twelve thousand, five hundred thirty-three".