42485861 has 8 divisors (see below), whose sum is σ = 46429248. Its totient is φ = 38556000.

The previous prime is 42485837. The next prime is 42485867. The reversal of 42485861 is 16858424.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42485861 - 2²² = 38291557 is a prime.

It is a super-2 number, since 2×42485861² = 3610096769822642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42485867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3881 + ... + 10001.

It is an arithmetic number, because the mean of its divisors is an integer number (5803656).

Almost surely, 2^42485861 is an apocalyptic number.

It is an amenable number.

42485861 is a deficient number, since it is larger than the sum of its proper divisors (3943387).

42485861 is a wasteful number, since it uses less digits than its factorization.

42485861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6763.

The product of its digits is 61440, while the sum is 38.

The square root of 42485861 is about 6518.1179031987. The cubic root of 42485861 is about 348.9378986007.

The spelling of 42485861 in words is "forty-two million, four hundred eighty-five thousand, eight hundred sixty-one".