42535043 has 4 divisors (see below), whose sum is σ = 42614208. Its totient is φ = 42455880.

The previous prime is 42535019. The next prime is 42535049. The reversal of 42535043 is 34053524.

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 42535043 - 2⁶ = 42534979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42535049) 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, 38771 + ... + 39852.

It is an arithmetic number, because the mean of its divisors is an integer number (10653552).

Almost surely, 2^42535043 is an apocalyptic number.

42535043 is a deficient number, since it is larger than the sum of its proper divisors (79165).

42535043 is an equidigital number, since it uses as much as digits as its factorization.

42535043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79164.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 42535043 is about 6521.8895268166. The cubic root of 42535043 is about 349.0724911883.

Adding to 42535043 its reverse (34053524), we get a palindrome (76588567).

The spelling of 42535043 in words is "forty-two million, five hundred thirty-five thousand, forty-three".