27225005 has 16 divisors (see below), whose sum is σ = 34603200. Its totient is φ = 20505600.

The previous prime is 27225001. The next prime is 27225013. The reversal of 27225005 is 50052272.

It is not a de Polignac number, because 27225005 - 2² = 27225001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27225001) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 16205 + ... + 17805.

It is an arithmetic number, because the mean of its divisors is an integer number (2162700).

Almost surely, 2^27225005 is an apocalyptic number.

It is an amenable number.

27225005 is a deficient number, since it is larger than the sum of its proper divisors (7378195).

27225005 is a wasteful number, since it uses less digits than its factorization.

27225005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 27225005 is about 5217.7586184108. The cubic root of 27225005 is about 300.8310475924.

Adding to 27225005 its reverse (50052272), we get a palindrome (77277277).

The spelling of 27225005 in words is "twenty-seven million, two hundred twenty-five thousand, five".