25981484 has 6 divisors (see below), whose sum is σ = 45467604. Its totient is φ = 12990740.

The previous prime is 25981481. The next prime is 25981489. The reversal of 25981484 is 48418952.

It is not an unprimeable number, because it can be changed into a prime (25981481) 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 as a sum of consecutive naturals, namely, 3247682 + ... + 3247689.

It is an arithmetic number, because the mean of its divisors is an integer number (7577934).

Almost surely, 2^25981484 is an apocalyptic number.

It is an amenable number.

25981484 is a deficient number, since it is larger than the sum of its proper divisors (19486120).

25981484 is a wasteful number, since it uses less digits than its factorization.

25981484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6495375 (or 6495373 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The square root of 25981484 is about 5097.2035470442. The cubic root of 25981484 is about 296.1792650411.

The spelling of 25981484 in words is "twenty-five million, nine hundred eighty-one thousand, four hundred eighty-four".