442001113 has 4 divisors (see below), whose sum is σ = 451405440. Its totient is φ = 432596788.

The previous prime is 442001111. The next prime is 442001117. The reversal of 442001113 is 311100244.

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 a cyclic number.

It is not a de Polignac number, because 442001113 - 2¹ = 442001111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442001111) 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, 4702093 + ... + 4702186.

It is an arithmetic number, because the mean of its divisors is an integer number (112851360).

Almost surely, 2^442001113 is an apocalyptic number.

It is an amenable number.

442001113 is a deficient number, since it is larger than the sum of its proper divisors (9404327).

442001113 is an equidigital number, since it uses as much as digits as its factorization.

442001113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9404326.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 442001113 is about 21023.8225116176. The cubic root of 442001113 is about 761.7417996888.

Adding to 442001113 its reverse (311100244), we get a palindrome (753101357).

The spelling of 442001113 in words is "four hundred forty-two million, one thousand, one hundred thirteen".