4221025543 has 8 divisors (see below), whose sum is σ = 4824627200. Its totient is φ = 3617573400.

The previous prime is 4221025513. The next prime is 4221025553. The reversal of 4221025543 is 3455201224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4221025543 - 2¹⁷ = 4220894471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221025513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31618 + ... + 97168.

It is an arithmetic number, because the mean of its divisors is an integer number (603078400).

Almost surely, 2^4221025543 is an apocalyptic number.

4221025543 is a deficient number, since it is larger than the sum of its proper divisors (603601657).

4221025543 is an equidigital number, since it uses as much as digits as its factorization.

4221025543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74757.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 4221025543 is about 64969.4200605177. The cubic root of 4221025543 is about 1616.1164843441.

Adding to 4221025543 its reverse (3455201224), we get a palindrome (7676226767).

The spelling of 4221025543 in words is "four billion, two hundred twenty-one million, twenty-five thousand, five hundred forty-three".