42013235 has 16 divisors (see below), whose sum is σ = 55151712. Its totient is φ = 30470400.

The previous prime is 42013219. The next prime is 42013243. The reversal of 42013235 is 53231024.

It is a happy number.

It is not a de Polignac number, because 42013235 - 2⁴ = 42013219 is a prime.

It is a super-2 number, since 2×42013235² = 3530223830330450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24527 + ... + 26183.

It is an arithmetic number, because the mean of its divisors is an integer number (3446982).

Almost surely, 2^42013235 is an apocalyptic number.

42013235 is a deficient number, since it is larger than the sum of its proper divisors (13138477).

42013235 is a wasteful number, since it uses less digits than its factorization.

42013235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 42013235 is about 6481.7617203967. The cubic root of 42013235 is about 347.6391727276.

Adding to 42013235 its reverse (53231024), we get a palindrome (95244259).

The spelling of 42013235 in words is "forty-two million, thirteen thousand, two hundred thirty-five".