42393313 has 12 divisors (see below), whose sum is σ = 45799248. Its totient is φ = 39213720.

The previous prime is 42393289. The next prime is 42393317. The reversal of 42393313 is 31339324.

It is a de Polignac number, because none of the positive numbers 2^k-42393313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42393317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14158 + ... + 16888.

It is an arithmetic number, because the mean of its divisors is an integer number (3816604).

Almost surely, 2^42393313 is an apocalyptic number.

42393313 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

42393313 is a deficient number, since it is larger than the sum of its proper divisors (3405935).

42393313 is a wasteful number, since it uses less digits than its factorization.

42393313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812 (or 2793 counting only the distinct ones).

The product of its digits is 5832, while the sum is 28.

The square root of 42393313 is about 6511.0147442622. The cubic root of 42393313 is about 348.6843477262.

The spelling of 42393313 in words is "forty-two million, three hundred ninety-three thousand, three hundred thirteen".