42625939 has 8 divisors (see below), whose sum is σ = 43865712. Its totient is φ = 41402400.

The previous prime is 42625897. The next prime is 42625991. The reversal of 42625939 is 93952624.

42625939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42625939 - 2⁷ = 42625811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42625139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1372 + ... + 9334.

It is an arithmetic number, because the mean of its divisors is an integer number (5483214).

Almost surely, 2^42625939 is an apocalyptic number.

42625939 is a deficient number, since it is larger than the sum of its proper divisors (1239773).

42625939 is a wasteful number, since it uses less digits than its factorization.

42625939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8117.

The product of its digits is 116640, while the sum is 40.

The square root of 42625939 is about 6528.8543405409. The cubic root of 42625939 is about 349.3209664550.

It can be divided in two parts, 4262 and 5939, that added together give a palindrome (10201).

The spelling of 42625939 in words is "forty-two million, six hundred twenty-five thousand, nine hundred thirty-nine".