25680014 has 4 divisors (see below), whose sum is σ = 38520024. Its totient is φ = 12840006.

The previous prime is 25680007. The next prime is 25680023. The reversal of 25680014 is 41008652.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6420002 + ... + 6420005.

It is an arithmetic number, because the mean of its divisors is an integer number (9630006).

Almost surely, 2^25680014 is an apocalyptic number.

25680014 is a deficient number, since it is larger than the sum of its proper divisors (12840010).

25680014 is a wasteful number, since it uses less digits than its factorization.

25680014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12840009.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 25680014 is about 5067.5451650676. The cubic root of 25680014 is about 295.0292568896.

Adding to 25680014 its reverse (41008652), we get a palindrome (66688666).

The spelling of 25680014 in words is "twenty-five million, six hundred eighty thousand, fourteen".