25243238 has 8 divisors (see below), whose sum is σ = 39086400. Its totient is φ = 12214440.

The previous prime is 25243237. The next prime is 25243241. The reversal of 25243238 is 83234252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 25243238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25243237) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 203513 + ... + 203636.

It is an arithmetic number, because the mean of its divisors is an integer number (4885800).

Almost surely, 2^25243238 is an apocalyptic number.

25243238 is a deficient number, since it is larger than the sum of its proper divisors (13843162).

25243238 is a wasteful number, since it uses less digits than its factorization.

25243238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407182.

The product of its digits is 11520, while the sum is 29.

The square root of 25243238 is about 5024.2649213591. The cubic root of 25243238 is about 293.3470244413.

The spelling of 25243238 in words is "twenty-five million, two hundred forty-three thousand, two hundred thirty-eight".