27287125 has 16 divisors (see below), whose sum is σ = 36060336. Its totient is φ = 20544000.

The previous prime is 27287111. The next prime is 27287129. The reversal of 27287125 is 52178272.

It can be written as a sum of positive squares in 8 ways, for example, as 5673924 + 21613201 = 2382^2 + 4649^2 .

It is not a de Polignac number, because 27287125 - 2⁹ = 27286613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27287129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4296 + ... + 8545.

It is an arithmetic number, because the mean of its divisors is an integer number (2253771).

Almost surely, 2^27287125 is an apocalyptic number.

27287125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27287125 is a deficient number, since it is larger than the sum of its proper divisors (8773211).

27287125 is a wasteful number, since it uses less digits than its factorization.

27287125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12873 (or 12863 counting only the distinct ones).

The product of its digits is 15680, while the sum is 34.

The square root of 27287125 is about 5223.7079742267. The cubic root of 27287125 is about 301.0596784573.

The spelling of 27287125 in words is "twenty-seven million, two hundred eighty-seven thousand, one hundred twenty-five".