42013441 has 4 divisors (see below), whose sum is σ = 42907392. Its totient is φ = 41119492.

The previous prime is 42013417. The next prime is 42013459. The reversal of 42013441 is 14431024.

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 42013441 - 2¹⁹ = 41489153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42013481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446905 + ... + 446998.

It is an arithmetic number, because the mean of its divisors is an integer number (10726848).

Almost surely, 2^42013441 is an apocalyptic number.

It is an amenable number.

42013441 is a deficient number, since it is larger than the sum of its proper divisors (893951).

42013441 is an equidigital number, since it uses as much as digits as its factorization.

42013441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893950.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 42013441 is about 6481.7776111187. Note that the first 3 decimals coincide. The cubic root of 42013441 is about 347.6397409101.

Adding to 42013441 its reverse (14431024), we get a palindrome (56444465).

It can be divided in two parts, 420 and 13441, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 42013441 in words is "forty-two million, thirteen thousand, four hundred forty-one".