42024513 has 4 divisors (see below), whose sum is σ = 56032688. Its totient is φ = 28016340.

The previous prime is 42024511. The next prime is 42024517. The reversal of 42024513 is 31542024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42024513 - 2¹ = 42024511 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42024513.

It is not an unprimeable number, because it can be changed into a prime (42024511) 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, 7004083 + ... + 7004088.

It is an arithmetic number, because the mean of its divisors is an integer number (14008172).

Almost surely, 2^42024513 is an apocalyptic number.

It is an amenable number.

42024513 is a deficient number, since it is larger than the sum of its proper divisors (14008175).

42024513 is a wasteful number, since it uses less digits than its factorization.

42024513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14008174.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 42024513 is about 6482.6316415481. The cubic root of 42024513 is about 347.6702766073.

Adding to 42024513 its reverse (31542024), we get a palindrome (73566537).

The spelling of 42024513 in words is "forty-two million, twenty-four thousand, five hundred thirteen".