25238842 has 4 divisors (see below), whose sum is σ = 37858266. Its totient is φ = 12619420.

The previous prime is 25238831. The next prime is 25238861. The reversal of 25238842 is 24883252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16232841 + 9006001 = 4029^2 + 3001^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25238798 and 25238807.

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 as a sum of consecutive naturals, namely, 6309709 + ... + 6309712.

Almost surely, 2^25238842 is an apocalyptic number.

25238842 is a deficient number, since it is larger than the sum of its proper divisors (12619424).

25238842 is a wasteful number, since it uses less digits than its factorization.

25238842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12619423.

The product of its digits is 30720, while the sum is 34.

The square root of 25238842 is about 5023.8274253800. The cubic root of 25238842 is about 293.3299950837.

The spelling of 25238842 in words is "twenty-five million, two hundred thirty-eight thousand, eight hundred forty-two".