2152021233 has 8 divisors (see below), whose sum is σ = 2891265696. Its totient is φ = 1423728800.

The previous prime is 2152021229. The next prime is 2152021253. The reversal of 2152021233 is 3321202512.

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 2152021233 - 2² = 2152021229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2152021253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2737548 + ... + 2738333.

It is an arithmetic number, because the mean of its divisors is an integer number (361408212).

Almost surely, 2^2152021233 is an apocalyptic number.

It is an amenable number.

2152021233 is a deficient number, since it is larger than the sum of its proper divisors (739244463).

2152021233 is a wasteful number, since it uses less digits than its factorization.

2152021233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5476015.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2152021233 is about 46389.8828733162. The cubic root of 2152021233 is about 1291.0672083231.

Adding to 2152021233 its reverse (3321202512), we get a palindrome (5473223745).

The spelling of 2152021233 in words is "two billion, one hundred fifty-two million, twenty-one thousand, two hundred thirty-three".