25855227 has 8 divisors (see below), whose sum is σ = 38304080. Its totient is φ = 17236800.

The previous prime is 25855187. The next prime is 25855237. The reversal of 25855227 is 72255852.

25855227 is a `hidden beast` number, since 2 + 585 + 52 + 27 = 666.

It is not a de Polignac number, because 25855227 - 2¹² = 25851131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25855191 and 25855200.

It is not an unprimeable number, because it can be changed into a prime (25855237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478774 + ... + 478827.

It is an arithmetic number, because the mean of its divisors is an integer number (4788010).

Almost surely, 2^25855227 is an apocalyptic number.

25855227 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

25855227 is a deficient number, since it is larger than the sum of its proper divisors (12448853).

25855227 is an equidigital number, since it uses as much as digits as its factorization.

25855227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957610 (or 957604 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 25855227 is about 5084.8035360277. The cubic root of 25855227 is about 295.6987248391.

The spelling of 25855227 in words is "twenty-five million, eight hundred fifty-five thousand, two hundred twenty-seven".