4002052543 has 2 divisors, whose sum is σ = 4002052544. Its totient is φ = 4002052542.

The previous prime is 4002052499. The next prime is 4002052553. The reversal of 4002052543 is 3452502004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4002052543 - 2⁹ = 4002052031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4002052553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2001026271 + 2001026272.

It is an arithmetic number, because the mean of its divisors is an integer number (2001026272).

Almost surely, 2^4002052543 is an apocalyptic number.

4002052543 is a deficient number, since it is larger than the sum of its proper divisors (1).

4002052543 is an equidigital number, since it uses as much as digits as its factorization.

4002052543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 4002052543 is about 63261.7778994552. Note that the first 3 decimals coincide. The cubic root of 4002052543 is about 1587.6725229495.

Adding to 4002052543 its reverse (3452502004), we get a palindrome (7454554547).

The spelling of 4002052543 in words is "four billion, two million, fifty-two thousand, five hundred forty-three".