42005635 has 8 divisors (see below), whose sum is σ = 57607776. Its totient is φ = 28803840.

The previous prime is 42005629. The next prime is 42005641. The reversal of 42005635 is 53650024.

It is an interprime number because it is at equal distance from previous prime (42005629) and next prime (42005641).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42005635 - 2¹¹ = 42003587 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600046 + ... + 600115.

It is an arithmetic number, because the mean of its divisors is an integer number (7200972).

Almost surely, 2^42005635 is an apocalyptic number.

42005635 is a deficient number, since it is larger than the sum of its proper divisors (15602141).

42005635 is a wasteful number, since it uses less digits than its factorization.

42005635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200173.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 42005635 is about 6481.1754335151. The cubic root of 42005635 is about 347.6182093571.

Adding to 42005635 its reverse (53650024), we get a palindrome (95655659).

The spelling of 42005635 in words is "forty-two million, five thousand, six hundred thirty-five".