25238844 has 24 divisors (see below), whose sum is σ = 65434320. Its totient is φ = 8412912.

The previous prime is 25238831. The next prime is 25238861. The reversal of 25238844 is 44883252.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 25238799 and 25238808.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 116739 + ... + 116954.

It is an arithmetic number, because the mean of its divisors is an integer number (2726430).

Almost surely, 2^25238844 is an apocalyptic number.

It is an amenable number.

25238844 is an abundant number, since it is smaller than the sum of its proper divisors (40195476).

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

25238844 is a wasteful number, since it uses less digits than its factorization.

25238844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233706 (or 233698 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 25238844 is about 5023.8276244314. The cubic root of 25238844 is about 293.3300028318.

The spelling of 25238844 in words is "twenty-five million, two hundred thirty-eight thousand, eight hundred forty-four".