25868797 has 2 divisors, whose sum is σ = 25868798. Its totient is φ = 25868796.

The previous prime is 25868771. The next prime is 25868831. The reversal of 25868797 is 79786852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15280281 + 10588516 = 3909^2 + 3254^2 .

It is a cyclic number.

It is not a de Polignac number, because 25868797 - 2¹¹ = 25866749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25868197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12934398 + 12934399.

It is an arithmetic number, because the mean of its divisors is an integer number (12934399).

Almost surely, 2^25868797 is an apocalyptic number.

It is an amenable number.

25868797 is a deficient number, since it is larger than the sum of its proper divisors (1).

25868797 is an equidigital number, since it uses as much as digits as its factorization.

25868797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 52.

The square root of 25868797 is about 5086.1377291615. The cubic root of 25868797 is about 295.7504478414.

The spelling of 25868797 in words is "twenty-five million, eight hundred sixty-eight thousand, seven hundred ninety-seven".