42013435 has 4 divisors (see below), whose sum is σ = 50416128. Its totient is φ = 33610744.

The previous prime is 42013417. The next prime is 42013459. The reversal of 42013435 is 53431024.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42013435 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4201339 + ... + 4201348.

It is an arithmetic number, because the mean of its divisors is an integer number (12604032).

Almost surely, 2^42013435 is an apocalyptic number.

42013435 is a deficient number, since it is larger than the sum of its proper divisors (8402693).

42013435 is an equidigital number, since it uses as much as digits as its factorization.

42013435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8402692.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 42013435 is about 6481.7771482827. Note that the first 3 decimals coincide. The cubic root of 42013435 is about 347.6397243611.

Adding to 42013435 its reverse (53431024), we get a palindrome (95444459).

The spelling of 42013435 in words is "forty-two million, thirteen thousand, four hundred thirty-five".