42586625 has 8 divisors (see below), whose sum is σ = 53148264. Its totient is φ = 34069200.

The previous prime is 42586603. The next prime is 42586729. The reversal of 42586625 is 52668524.

It can be written as a sum of positive squares in 4 ways, for example, as 7929856 + 34656769 = 2816^2 + 5887^2 .

It is not a de Polignac number, because 42586625 - 2⁶ = 42586561 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, 170222 + ... + 170471.

It is an arithmetic number, because the mean of its divisors is an integer number (6643533).

Almost surely, 2^42586625 is an apocalyptic number.

It is an amenable number.

42586625 is a deficient number, since it is larger than the sum of its proper divisors (10561639).

42586625 is an equidigital number, since it uses as much as digits as its factorization.

42586625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340708 (or 340698 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 42586625 is about 6525.8428574399. The cubic root of 42586625 is about 349.2135402491.

The spelling of 42586625 in words is "forty-two million, five hundred eighty-six thousand, six hundred twenty-five".