2001430543 has 8 divisors (see below), whose sum is σ = 2314908288. Its totient is φ = 1694842584.

The previous prime is 2001430517. The next prime is 2001430567. The reversal of 2001430543 is 3450341002.

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 2001430543 - 2⁵ = 2001430511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001430513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1721821 + ... + 1722982.

It is an arithmetic number, because the mean of its divisors is an integer number (289363536).

Almost surely, 2^2001430543 is an apocalyptic number.

2001430543 is a deficient number, since it is larger than the sum of its proper divisors (313477745).

2001430543 is an equidigital number, since it uses as much as digits as its factorization.

2001430543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444893.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2001430543 is about 44737.3506479765. The cubic root of 2001430543 is about 1260.2213735084.

Adding to 2001430543 its reverse (3450341002), we get a palindrome (5451771545).

The spelling of 2001430543 in words is "two billion, one million, four hundred thirty thousand, five hundred forty-three".