25140342 has 8 divisors (see below), whose sum is σ = 50280696. Its totient is φ = 8380112.

The previous prime is 25140329. The next prime is 25140359. The reversal of 25140342 is 24304152.

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

25140342 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2095023 + ... + 2095034.

It is an arithmetic number, because the mean of its divisors is an integer number (6285087).

Almost surely, 2^25140342 is an apocalyptic number.

25140342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25140342 is a wasteful number, since it uses less digits than its factorization.

25140342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4190062.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 25140342 is about 5014.0145592130. The cubic root of 25140342 is about 292.9479031573.

Adding to 25140342 its reverse (24304152), we get a palindrome (49444494).

The spelling of 25140342 in words is "twenty-five million, one hundred forty thousand, three hundred forty-two".