25868743 has 2 divisors, whose sum is σ = 25868744. Its totient is φ = 25868742.

The previous prime is 25868723. The next prime is 25868749. The reversal of 25868743 is 34786852.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25868743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25868743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25868749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12934371 + 12934372.

It is an arithmetic number, because the mean of its divisors is an integer number (12934372).

Almost surely, 2^25868743 is an apocalyptic number.

25868743 is a deficient number, since it is larger than the sum of its proper divisors (1).

25868743 is an equidigital number, since it uses as much as digits as its factorization.

25868743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 43.

The square root of 25868743 is about 5086.1324206120. The cubic root of 25868743 is about 295.7502420524.

The spelling of 25868743 in words is "twenty-five million, eight hundred sixty-eight thousand, seven hundred forty-three".