25855023 has 16 divisors (see below), whose sum is σ = 35813376. Its totient is φ = 16573920.

The previous prime is 25855019. The next prime is 25855031. The reversal of 25855023 is 32055852.

It is not a de Polignac number, because 25855023 - 2² = 25855019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25855003) 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 in 15 ways as a sum of consecutive naturals, for example, 15286 + ... + 16892.

It is an arithmetic number, because the mean of its divisors is an integer number (2238336).

Almost surely, 2^25855023 is an apocalyptic number.

25855023 is a deficient number, since it is larger than the sum of its proper divisors (9958353).

25855023 is a wasteful number, since it uses less digits than its factorization.

25855023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 25855023 is about 5084.7834762161. The cubic root of 25855023 is about 295.6979471408.

The spelling of 25855023 in words is "twenty-five million, eight hundred fifty-five thousand, twenty-three".