42052543 has 8 divisors (see below), whose sum is σ = 47951568. Its totient is φ = 36534144.

The previous prime is 42052513. The next prime is 42052559. The reversal of 42052543 is 34525024.

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 42052543 - 2¹⁷ = 41921471 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 (42052513) 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, 94921 + ... + 95362.

It is an arithmetic number, because the mean of its divisors is an integer number (5993946).

Almost surely, 2^42052543 is an apocalyptic number.

42052543 is a deficient number, since it is larger than the sum of its proper divisors (5899025).

42052543 is a wasteful number, since it uses less digits than its factorization.

42052543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190313.

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

The square root of 42052543 is about 6484.7932118149. The cubic root of 42052543 is about 347.7475571539.

Adding to 42052543 its reverse (34525024), we get a palindrome (76577567).

The spelling of 42052543 in words is "forty-two million, fifty-two thousand, five hundred forty-three".