25481712 has 20 divisors (see below), whose sum is σ = 65827880. Its totient is φ = 8493888.

The previous prime is 25481707. The next prime is 25481719. The reversal of 25481712 is 21718452.

It is a self number, because there is not a number n which added to its sum of digits gives 25481712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25481719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265387 + ... + 265482.

It is an arithmetic number, because the mean of its divisors is an integer number (3291394).

Almost surely, 2^25481712 is an apocalyptic number.

It is an amenable number.

25481712 is an abundant number, since it is smaller than the sum of its proper divisors (40346168).

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

25481712 is a wasteful number, since it uses less digits than its factorization.

25481712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530880 (or 530874 counting only the distinct ones).

The product of its digits is 4480, while the sum is 30.

The square root of 25481712 is about 5047.9413625754. The cubic root of 25481712 is about 294.2678848567.

The spelling of 25481712 in words is "twenty-five million, four hundred eighty-one thousand, seven hundred twelve".