25868443 has 4 divisors (see below), whose sum is σ = 27229960. Its totient is φ = 24506928.

The previous prime is 25868431. The next prime is 25868449. The reversal of 25868443 is 34486852.

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

It is a cyclic number.

It is not a de Polignac number, because 25868443 - 2¹³ = 25860251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25868396 and 25868405.

It is not an unprimeable number, because it can be changed into a prime (25868449) 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 3 ways as a sum of consecutive naturals, for example, 680730 + ... + 680767.

It is an arithmetic number, because the mean of its divisors is an integer number (6807490).

Almost surely, 2^25868443 is an apocalyptic number.

25868443 is a deficient number, since it is larger than the sum of its proper divisors (1361517).

25868443 is a wasteful number, since it uses less digits than its factorization.

25868443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361516.

The product of its digits is 184320, while the sum is 40.

The square root of 25868443 is about 5086.1029285692. The cubic root of 25868443 is about 295.7490987755.

The spelling of 25868443 in words is "twenty-five million, eight hundred sixty-eight thousand, four hundred forty-three".