2152304443 has 4 divisors (see below), whose sum is σ = 2158300080. Its totient is φ = 2146308808.

The previous prime is 2152304411. The next prime is 2152304489. The reversal of 2152304443 is 3444032512.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2152304443 - 2⁵ = 2152304411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2152344443) 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, 2997280 + ... + 2997997.

It is an arithmetic number, because the mean of its divisors is an integer number (539575020).

Almost surely, 2^2152304443 is an apocalyptic number.

2152304443 is a deficient number, since it is larger than the sum of its proper divisors (5995637).

2152304443 is an equidigital number, since it uses as much as digits as its factorization.

2152304443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5995636.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 2152304443 is about 46392.9352703620. The cubic root of 2152304443 is about 1291.1238414548.

Adding to 2152304443 its reverse (3444032512), we get a palindrome (5596336955).

The spelling of 2152304443 in words is "two billion, one hundred fifty-two million, three hundred four thousand, four hundred forty-three".