25159 has 4 divisors (see below), whose sum is σ = 25480. Its totient is φ = 24840.

The previous prime is 25153. The next prime is 25163. The reversal of 25159 is 95152.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25159 - 2⁵ = 25127 is a prime.

It is a Duffinian number.

25159 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49 + ... + 229.

It is an arithmetic number, because the mean of its divisors is an integer number (6370).

2²⁵¹⁵⁹ is an apocalyptic number.

25159 is a deficient number, since it is larger than the sum of its proper divisors (321).

25159 is a wasteful number, since it uses less digits than its factorization.

25159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320.

The product of its digits is 450, while the sum is 22.

The square root of 25159 is about 158.6158882332. The cubic root of 25159 is about 29.3020356035.

The spelling of 25159 in words is "twenty-five thousand, one hundred fifty-nine".