25235155 has 24 divisors (see below), whose sum is σ = 33956496. Its totient is φ = 17983680.

The previous prime is 25235141. The next prime is 25235167. The reversal of 25235155 is 55153252.

It is not a de Polignac number, because 25235155 - 2¹⁷ = 25104083 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 31672 + ... + 32458.

It is an arithmetic number, because the mean of its divisors is an integer number (1414854).

Almost surely, 2^25235155 is an apocalyptic number.

25235155 is a deficient number, since it is larger than the sum of its proper divisors (8721341).

25235155 is a wasteful number, since it uses less digits than its factorization.

25235155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867 (or 856 counting only the distinct ones).

The product of its digits is 7500, while the sum is 28.

The square root of 25235155 is about 5023.4604606785. The cubic root of 25235155 is about 293.3157107469.

The spelling of 25235155 in words is "twenty-five million, two hundred thirty-five thousand, one hundred fifty-five".