2001233033 has 4 divisors (see below), whose sum is σ = 2012801028. Its totient is φ = 1989665040.

The previous prime is 2001233027. The next prime is 2001233077. The reversal of 2001233033 is 3303321002.

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 1726568704 + 274664329 = 41552^2 + 16573^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001233033 - 2¹⁴ = 2001216649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001233233) 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, 5783738 + ... + 5784083.

It is an arithmetic number, because the mean of its divisors is an integer number (503200257).

Almost surely, 2^2001233033 is an apocalyptic number.

It is an amenable number.

2001233033 is a deficient number, since it is larger than the sum of its proper divisors (11567995).

2001233033 is a wasteful number, since it uses less digits than its factorization.

2001233033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11567994.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 2001233033 is about 44735.1431539008. The cubic root of 2001233033 is about 1260.1799174088.

Adding to 2001233033 its reverse (3303321002), we get a palindrome (5304554035).

The spelling of 2001233033 in words is "two billion, one million, two hundred thirty-three thousand, thirty-three".