25827142 has 8 divisors (see below), whose sum is σ = 42262632. Its totient is φ = 11739600.

The previous prime is 25827127. The next prime is 25827143. The reversal of 25827142 is 24172852.

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 not an unprimeable number, because it can be changed into a prime (25827143) 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, 586959 + ... + 587002.

It is an arithmetic number, because the mean of its divisors is an integer number (5282829).

Almost surely, 2^25827142 is an apocalyptic number.

25827142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25827142 is a deficient number, since it is larger than the sum of its proper divisors (16435490).

25827142 is a wasteful number, since it uses less digits than its factorization.

25827142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173974.

The product of its digits is 8960, while the sum is 31.

The square root of 25827142 is about 5082.0411253747. The cubic root of 25827142 is about 295.5916193852.

Adding to 25827142 its reverse (24172852), we get a palindrome (49999994).

The spelling of 25827142 in words is "twenty-five million, eight hundred twenty-seven thousand, one hundred forty-two".