42401113 has 12 divisors (see below), whose sum is σ = 44124588. Its totient is φ = 40726400.

The previous prime is 42401081. The next prime is 42401119. The reversal of 42401113 is 31110424.

It can be written as a sum of positive squares in 6 ways, for example, as 242064 + 42159049 = 492^2 + 6493^2 .

It is not a de Polignac number, because 42401113 - 2⁵ = 42401081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42401119) 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, 419763 + ... + 419863.

It is an arithmetic number, because the mean of its divisors is an integer number (3677049).

Almost surely, 2^42401113 is an apocalyptic number.

It is an amenable number.

42401113 is a deficient number, since it is larger than the sum of its proper divisors (1723475).

42401113 is an equidigital number, since it uses as much as digits as its factorization.

42401113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 243 counting only the distinct ones).

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

The square root of 42401113 is about 6511.6137016872. The cubic root of 42401113 is about 348.7057313748.

Adding to 42401113 its reverse (31110424), we get a palindrome (73511537).

The spelling of 42401113 in words is "forty-two million, four hundred one thousand, one hundred thirteen".