25243142 has 8 divisors (see below), whose sum is σ = 38485632. Its totient is φ = 12414600.

The previous prime is 25243129. The next prime is 25243151. The reversal of 25243142 is 24134252.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103334 + ... + 103577.

It is an arithmetic number, because the mean of its divisors is an integer number (4810704).

Almost surely, 2^25243142 is an apocalyptic number.

25243142 is a deficient number, since it is larger than the sum of its proper divisors (13242490).

25243142 is a wasteful number, since it uses less digits than its factorization.

25243142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206974.

The product of its digits is 1920, while the sum is 23.

The square root of 25243142 is about 5024.2553677137. The cubic root of 25243142 is about 293.3466525747.

Adding to 25243142 its reverse (24134252), we get a palindrome (49377394).

The spelling of 25243142 in words is "twenty-five million, two hundred forty-three thousand, one hundred forty-two".