27885125 has 16 divisors (see below), whose sum is σ = 35655984. Its totient is φ = 21760000.

The previous prime is 27885119. The next prime is 27885149. The reversal of 27885125 is 52158872.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 13498276 + 14386849 = 3674^2 + 3793^2 .

It is not a de Polignac number, because 27885125 - 2⁶ = 27885061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2405 + ... + 7845.

It is an arithmetic number, because the mean of its divisors is an integer number (2228499).

Almost surely, 2^27885125 is an apocalyptic number.

27885125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27885125 is a deficient number, since it is larger than the sum of its proper divisors (7770859).

27885125 is an equidigital number, since it uses as much as digits as its factorization.

27885125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5497 (or 5487 counting only the distinct ones).

The product of its digits is 44800, while the sum is 38.

The square root of 27885125 is about 5280.6367987204. The cubic root of 27885125 is about 303.2430563641.

The spelling of 27885125 in words is "twenty-seven million, eight hundred eighty-five thousand, one hundred twenty-five".