42086625 has 32 divisors (see below), whose sum is σ = 80041728. Its totient is φ = 19238400.

The previous prime is 42086621. The next prime is 42086633. The reversal of 42086625 is 52668024.

It is not a de Polignac number, because 42086625 - 2² = 42086621 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42086621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5392 + ... + 10641.

It is an arithmetic number, because the mean of its divisors is an integer number (2501304).

Almost surely, 2^42086625 is an apocalyptic number.

It is an amenable number.

42086625 is a deficient number, since it is larger than the sum of its proper divisors (37955103).

42086625 is a wasteful number, since it uses less digits than its factorization.

42086625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16058 (or 16048 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 42086625 is about 6487.4205197443. The cubic root of 42086625 is about 347.8414772119.

The spelling of 42086625 in words is "forty-two million, eighty-six thousand, six hundred twenty-five".