27288925 has 12 divisors (see below), whose sum is σ = 35310240. Its totient is φ = 20881520.

The previous prime is 27288907. The next prime is 27288929. The reversal of 27288925 is 52988272.

It is not a de Polignac number, because 27288925 - 2⁹ = 27288413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27288929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23155 + ... + 24304.

It is an arithmetic number, because the mean of its divisors is an integer number (2942520).

Almost surely, 2^27288925 is an apocalyptic number.

27288925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27288925 is a deficient number, since it is larger than the sum of its proper divisors (8021315).

27288925 is a wasteful number, since it uses less digits than its factorization.

27288925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47492 (or 47487 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 27288925 is about 5223.8802627932. The cubic root of 27288925 is about 301.0662981300.

The spelling of 27288925 in words is "twenty-seven million, two hundred eighty-eight thousand, nine hundred twenty-five".