42930013 has 8 divisors (see below), whose sum is σ = 49280832. Its totient is φ = 36633696.

The previous prime is 42930001. The next prime is 42930047. The reversal of 42930013 is 31003924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42930013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42930073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11920 + ... + 15097.

It is an arithmetic number, because the mean of its divisors is an integer number (6160104).

Almost surely, 2^42930013 is an apocalyptic number.

It is an amenable number.

42930013 is a deficient number, since it is larger than the sum of its proper divisors (6350819).

42930013 is a wasteful number, since it uses less digits than its factorization.

42930013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27251.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 42930013 is about 6552.0998924009. The cubic root of 42930013 is about 350.1496312589.

Adding to 42930013 its reverse (31003924), we get a palindrome (73933937).

The spelling of 42930013 in words is "forty-two million, nine hundred thirty thousand, thirteen".