42024113 has 4 divisors (see below), whose sum is σ = 42204708. Its totient is φ = 41843520.

The previous prime is 42024089. The next prime is 42024121. The reversal of 42024113 is 31142024.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15108769 + 26915344 = 3887^2 + 5188^2 .

It is a cyclic number.

It is not a de Polignac number, because 42024113 - 2⁶ = 42024049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42024091 and 42024100.

It is not an unprimeable number, because it can be changed into a prime (42024133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89948 + ... + 90413.

It is an arithmetic number, because the mean of its divisors is an integer number (10551177).

Almost surely, 2^42024113 is an apocalyptic number.

It is an amenable number.

42024113 is a deficient number, since it is larger than the sum of its proper divisors (180595).

42024113 is a wasteful number, since it uses less digits than its factorization.

42024113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180594.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 42024113 is about 6482.6007898065. The cubic root of 42024113 is about 347.6691735325.

Adding to 42024113 its reverse (31142024), we get a palindrome (73166137).

The spelling of 42024113 in words is "forty-two million, twenty-four thousand, one hundred thirteen".