25823424 has 56 divisors (see below), whose sum is σ = 74541888. Its totient is φ = 7824640.

The previous prime is 25823423. The next prime is 25823429. The reversal of 25823424 is 42432852.

It is a junction number, because it is equal to n+sod(n) for n = 25823391 and 25823400.

It is not an unprimeable number, because it can be changed into a prime (25823423) by changing a digit.

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, 4002 + ... + 8225.

Almost surely, 2^25823424 is an apocalyptic number.

25823424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25823424 is an abundant number, since it is smaller than the sum of its proper divisors (48718464).

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

25823424 is a wasteful number, since it uses less digits than its factorization.

25823424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12253 (or 12243 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 25823424 is about 5081.6753143033. The cubic root of 25823424 is about 295.5774345355.

It can be divided in two parts, 2582 and 3424, that added together give a palindrome (6006).

The spelling of 25823424 in words is "twenty-five million, eight hundred twenty-three thousand, four hundred twenty-four".