27853825 has 12 divisors (see below), whose sum is σ = 34604928. Its totient is φ = 22240400.

The previous prime is 27853823. The next prime is 27853849. The reversal of 27853825 is 52835872.

It is not a de Polignac number, because 27853825 - 2¹ = 27853823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27853823) 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 11 ways as a sum of consecutive naturals, for example, 22164 + ... + 23386.

It is an arithmetic number, because the mean of its divisors is an integer number (2883744).

Almost surely, 2^27853825 is an apocalyptic number.

27853825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27853825 is a deficient number, since it is larger than the sum of its proper divisors (6751103).

27853825 is a wasteful number, since it uses less digits than its factorization.

27853825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144 (or 2139 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 27853825 is about 5277.6723088877. The cubic root of 27853825 is about 303.1295542590.

The spelling of 27853825 in words is "twenty-seven million, eight hundred fifty-three thousand, eight hundred twenty-five".