2321332533 has 16 divisors (see below), whose sum is σ = 3703551040. Its totient is φ = 1428512112.

The previous prime is 2321332457. The next prime is 2321332553. The reversal of 2321332533 is 3352331232.

2321332533 is a `hidden beast` number, since 2 + 321 + 332 + 5 + 3 + 3 = 666.

2321332533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2321332533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2321332497 and 2321332506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321332553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3306391 + ... + 3307092.

It is an arithmetic number, because the mean of its divisors is an integer number (231471940).

Almost surely, 2^2321332533 is an apocalyptic number.

It is an amenable number.

2321332533 is a deficient number, since it is larger than the sum of its proper divisors (1382218507).

2321332533 is a wasteful number, since it uses less digits than its factorization.

2321332533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6613505 (or 6613499 counting only the distinct ones).

The product of its digits is 9720, while the sum is 27.

The square root of 2321332533 is about 48180.2089347898. The cubic root of 2321332533 is about 1324.0745944607.

Adding to 2321332533 its reverse (3352331232), we get a palindrome (5673663765).

The spelling of 2321332533 in words is "two billion, three hundred twenty-one million, three hundred thirty-two thousand, five hundred thirty-three".