25843159 has 2 divisors, whose sum is σ = 25843160. Its totient is φ = 25843158.

The previous prime is 25843157. The next prime is 25843183. The reversal of 25843159 is 95134852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25843159 - 2¹ = 25843157 is a prime.

Together with 25843157, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25843157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12921579 + 12921580.

It is an arithmetic number, because the mean of its divisors is an integer number (12921580).

Almost surely, 2^25843159 is an apocalyptic number.

25843159 is a deficient number, since it is larger than the sum of its proper divisors (1).

25843159 is an equidigital number, since it uses as much as digits as its factorization.

25843159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 37.

The square root of 25843159 is about 5083.6167243410. The cubic root of 25843159 is about 295.6527116086.

The spelling of 25843159 in words is "twenty-five million, eight hundred forty-three thousand, one hundred fifty-nine".