27195225 has 24 divisors (see below), whose sum is σ = 45116160. Its totient is φ = 14454720.

The previous prime is 27195167. The next prime is 27195239. The reversal of 27195225 is 52259172.

It is a happy number.

It is not a de Polignac number, because 27195225 - 2¹³ = 27187033 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35547 + ... + 36303.

It is an arithmetic number, because the mean of its divisors is an integer number (1879840).

Almost surely, 2^27195225 is an apocalyptic number.

27195225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27195225 is a deficient number, since it is larger than the sum of its proper divisors (17920935).

27195225 is a wasteful number, since it uses less digits than its factorization.

27195225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249 (or 1244 counting only the distinct ones).

The product of its digits is 12600, while the sum is 33.

The square root of 27195225 is about 5214.9041218416. The cubic root of 27195225 is about 300.7213198246.

The spelling of 27195225 in words is "twenty-seven million, one hundred ninety-five thousand, two hundred twenty-five".