25868641 has 8 divisors (see below), whose sum is σ = 26218080. Its totient is φ = 25521408.

The previous prime is 25868621. The next prime is 25868653. The reversal of 25868641 is 14686852.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25868641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25868594 and 25868603.

It is not an unprimeable number, because it can be changed into a prime (25868621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44545 + ... + 45121.

It is an arithmetic number, because the mean of its divisors is an integer number (3277260).

Almost surely, 2^25868641 is an apocalyptic number.

It is an amenable number.

25868641 is a deficient number, since it is larger than the sum of its proper divisors (349439).

25868641 is a wasteful number, since it uses less digits than its factorization.

25868641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103.

The product of its digits is 92160, while the sum is 40.

The square root of 25868641 is about 5086.1223933366. The cubic root of 25868641 is about 295.7498533393.

The spelling of 25868641 in words is "twenty-five million, eight hundred sixty-eight thousand, six hundred forty-one".