42535042 has 16 divisors (see below), whose sum is σ = 69882912. Its totient is φ = 19256320.

The previous prime is 42535019. The next prime is 42535049. The reversal of 42535042 is 24053524.

It is a super-3 number, since 3×42535042³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42534998 and 42535016.

It is not an unprimeable number, because it can be changed into a prime (42535049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1893 + ... + 9415.

It is an arithmetic number, because the mean of its divisors is an integer number (4367682).

Almost surely, 2^42535042 is an apocalyptic number.

42535042 is a deficient number, since it is larger than the sum of its proper divisors (27347870).

42535042 is a wasteful number, since it uses less digits than its factorization.

42535042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7793.

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

The square root of 42535042 is about 6521.8894501517. The cubic root of 42535042 is about 349.0724884527.

Adding to 42535042 its reverse (24053524), we get a palindrome (66588566).

The spelling of 42535042 in words is "forty-two million, five hundred thirty-five thousand, forty-two".