25159155 has 16 divisors (see below), whose sum is σ = 46005504. Its totient is φ = 11501280.

The previous prime is 25159151. The next prime is 25159159. The reversal of 25159155 is 55195152.

It is an interprime number because it is at equal distance from previous prime (25159151) and next prime (25159159).

It is not a de Polignac number, because 25159155 - 2² = 25159151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25159151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119701 + ... + 119910.

It is an arithmetic number, because the mean of its divisors is an integer number (2875344).

Almost surely, 2^25159155 is an apocalyptic number.

25159155 is a deficient number, since it is larger than the sum of its proper divisors (20846349).

25159155 is a wasteful number, since it uses less digits than its factorization.

25159155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239626.

The product of its digits is 11250, while the sum is 33.

The square root of 25159155 is about 5015.8902499955. The cubic root of 25159155 is about 293.0209577821.

The spelling of 25159155 in words is "twenty-five million, one hundred fifty-nine thousand, one hundred fifty-five".