25789442 has 16 divisors (see below), whose sum is σ = 46811520. Its totient is φ = 10402368.

The previous prime is 25789411. The next prime is 25789453. The reversal of 25789442 is 24498752.

It is a self number, because there is not a number n which added to its sum of digits gives 25789442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53942 + ... + 54417.

It is an arithmetic number, because the mean of its divisors is an integer number (2925720).

Almost surely, 2^25789442 is an apocalyptic number.

25789442 is a deficient number, since it is larger than the sum of its proper divisors (21022078).

25789442 is a wasteful number, since it uses less digits than its factorization.

25789442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108385.

The product of its digits is 161280, while the sum is 41.

The square root of 25789442 is about 5078.3306312212. The cubic root of 25789442 is about 295.4477238576.

The spelling of 25789442 in words is "twenty-five million, seven hundred eighty-nine thousand, four hundred forty-two".