42435005 has 4 divisors (see below), whose sum is σ = 50922012. Its totient is φ = 33948000.

The previous prime is 42434989. The next prime is 42435013. The reversal of 42435005 is 50053424.

42435005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14945956 + 27489049 = 3866^2 + 5243^2 .

It is not a de Polignac number, because 42435005 - 2⁴ = 42434989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4243496 + ... + 4243505.

It is an arithmetic number, because the mean of its divisors is an integer number (12730503).

Almost surely, 2^42435005 is an apocalyptic number.

It is an amenable number.

42435005 is a deficient number, since it is larger than the sum of its proper divisors (8487007).

42435005 is an equidigital number, since it uses as much as digits as its factorization.

42435005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8487006.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 42435005 is about 6514.2156089586. The cubic root of 42435005 is about 348.7986156282.

Adding to 42435005 its reverse (50053424), we get a palindrome (92488429).

The spelling of 42435005 in words is "forty-two million, four hundred thirty-five thousand, five".