25799159 has 2 divisors, whose sum is σ = 25799160. Its totient is φ = 25799158.

The previous prime is 25799141. The next prime is 25799167. The reversal of 25799159 is 95199752.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25799159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25799759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12899579 + 12899580.

It is an arithmetic number, because the mean of its divisors is an integer number (12899580).

Almost surely, 2^25799159 is an apocalyptic number.

25799159 is a deficient number, since it is larger than the sum of its proper divisors (1).

25799159 is an equidigital number, since it uses as much as digits as its factorization.

25799159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 255150, while the sum is 47.

The square root of 25799159 is about 5079.2872531488. The cubic root of 25799159 is about 295.4848256690.

The spelling of 25799159 in words is "twenty-five million, seven hundred ninety-nine thousand, one hundred fifty-nine".