25426384 has 20 divisors (see below), whose sum is σ = 49450084. Its totient is φ = 12665088.

The previous prime is 25426381. The next prime is 25426393. The reversal of 25426384 is 48362452.

It can be written as a sum of positive squares in 2 ways, for example, as 1690000 + 23736384 = 1300^2 + 4872^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25426381) 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 3 ways as a sum of consecutive naturals, for example, 1564 + ... + 7300.

Almost surely, 2^25426384 is an apocalyptic number.

It is an amenable number.

25426384 is a deficient number, since it is larger than the sum of its proper divisors (24023700).

25426384 is a wasteful number, since it uses less digits than its factorization.

25426384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6022 (or 6016 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 25426384 is about 5042.4581307136. The cubic root of 25426384 is about 294.0547509367.

It can be divided in two parts, 25 and 426384, that added together give a square (426409 = 653²).

The spelling of 25426384 in words is "twenty-five million, four hundred twenty-six thousand, three hundred eighty-four".