42052342 has 4 divisors (see below), whose sum is σ = 63078516. Its totient is φ = 21026170.

The previous prime is 42052333. The next prime is 42052343. The reversal of 42052342 is 24325024.

42052342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42052343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10513084 + ... + 10513087.

It is an arithmetic number, because the mean of its divisors is an integer number (15769629).

Almost surely, 2^42052342 is an apocalyptic number.

42052342 is a deficient number, since it is larger than the sum of its proper divisors (21026174).

42052342 is a wasteful number, since it uses less digits than its factorization.

42052342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21026173.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 42052342 is about 6484.7777140007. Note that the first 4 decimals coincide. The cubic root of 42052342 is about 347.7470031060.

Adding to 42052342 its reverse (24325024), we get a palindrome (66377366).

The spelling of 42052342 in words is "forty-two million, fifty-two thousand, three hundred forty-two".