25238 has 4 divisors (see below), whose sum is σ = 37860.
Its totient is φ = 12618.
The previous prime is 25237. The next prime is 25243. The reversal of 25238 is 83252.
It is a semiprime because it is the product of two primes.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25237) 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, 6308 + ... + 6311.
It is an arithmetic number, because the mean of its divisors is an integer number (9465).
225238 is an apocalyptic number.
25238 is a deficient number, since it is larger than the sum of its proper divisors (12622).
25238 is a wasteful number, since it uses less digits than its factorization.
25238 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12621.
The product of its digits is 480, while the sum is 20.
The square root of 25238 is about 158.8647223269.
The cubic root of 25238 is about 29.3326733093.
The spelling of 25238 in words is "twenty-five thousand, two hundred thirty-eight".