42104635 has 4 divisors (see below), whose sum is σ = 50525568. Its totient is φ = 33683704.

The previous prime is 42104593. The next prime is 42104659. The reversal of 42104635 is 53640124.

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

It is a cyclic number.

It is not a de Polignac number, because 42104635 - 2¹⁷ = 41973563 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, 4210459 + ... + 4210468.

It is an arithmetic number, because the mean of its divisors is an integer number (12631392).

Almost surely, 2^42104635 is an apocalyptic number.

42104635 is a deficient number, since it is larger than the sum of its proper divisors (8420933).

42104635 is an equidigital number, since it uses as much as digits as its factorization.

42104635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8420932.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 42104635 is about 6488.8084422334. The cubic root of 42104635 is about 347.8910870473.

Adding to 42104635 its reverse (53640124), we get a palindrome (95744759).

The spelling of 42104635 in words is "forty-two million, one hundred four thousand, six hundred thirty-five".