25690112 has 60 divisors (see below), whose sum is σ = 59768775. Its totient is φ = 11010048.

The previous prime is 25690097. The next prime is 25690121. The reversal of 25690112 is 21109652.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 12845056 + 12845056 = 3584^2 + 3584^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=3584.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3670013 + ... + 3670019.

Almost surely, 2^25690112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25690112

25690112 is an abundant number, since it is smaller than the sum of its proper divisors (34078663).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25690112 is an frugal number, since it uses more digits than its factorization.

25690112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52 (or 9 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 25690112 is about 5068.5414075452. The cubic root of 25690112 is about 295.0679226917.

Adding to 25690112 its reverse (21109652), we get a palindrome (46799764).

The spelling of 25690112 in words is "twenty-five million, six hundred ninety thousand, one hundred twelve".