25903159 has 2 divisors, whose sum is σ = 25903160. Its totient is φ = 25903158.

The previous prime is 25903153. The next prime is 25903169. The reversal of 25903159 is 95130952.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25903159 - 2⁵ = 25903127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25903153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12951579 + 12951580.

It is an arithmetic number, because the mean of its divisors is an integer number (12951580).

Almost surely, 2^25903159 is an apocalyptic number.

25903159 is a deficient number, since it is larger than the sum of its proper divisors (1).

25903159 is an equidigital number, since it uses as much as digits as its factorization.

25903159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 25903159 is about 5089.5146133988. The cubic root of 25903159 is about 295.8813401604.

It can be divided in two parts, 25903 and 159, that added together give a palindrome (26062).

The spelling of 25903159 in words is "twenty-five million, nine hundred three thousand, one hundred fifty-nine".