25868685 has 8 divisors (see below), whose sum is σ = 41389920. Its totient is φ = 13796624.

The previous prime is 25868681. The next prime is 25868723. The reversal of 25868685 is 58686852.

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

It is a cyclic number.

It is not a de Polignac number, because 25868685 - 2² = 25868681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25868681) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 862275 + ... + 862304.

It is an arithmetic number, because the mean of its divisors is an integer number (5173740).

Almost surely, 2^25868685 is an apocalyptic number.

It is an amenable number.

25868685 is a deficient number, since it is larger than the sum of its proper divisors (15521235).

25868685 is a wasteful number, since it uses less digits than its factorization.

25868685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724587.

The product of its digits is 921600, while the sum is 48.

The square root of 25868685 is about 5086.1267188304. The cubic root of 25868685 is about 295.7500210196.

The spelling of 25868685 in words is "twenty-five million, eight hundred sixty-eight thousand, six hundred eighty-five".