25244 has 6 divisors (see below), whose sum is σ = 44184. Its totient is φ = 12620.

The previous prime is 25243. The next prime is 25247. The reversal of 25244 is 44252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25243) 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 as a sum of consecutive naturals, namely, 3152 + ... + 3159.

It is an arithmetic number, because the mean of its divisors is an integer number (7364).

2²⁵²⁴⁴ is an apocalyptic number.

It is an amenable number.

25244 is a deficient number, since it is larger than the sum of its proper divisors (18940).

25244 is a wasteful number, since it uses less digits than its factorization.

25244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6315 (or 6313 counting only the distinct ones).

The product of its digits is 320, while the sum is 17.

The square root of 25244 is about 158.8836051958. The cubic root of 25244 is about 29.3349976099.

Adding to 25244 its reverse (44252), we get a palindrome (69496).

The spelling of 25244 in words is "twenty-five thousand, two hundred forty-four".