27613225 has 12 divisors (see below), whose sum is σ = 35729856. Its totient is φ = 21129680.

The previous prime is 27613217. The next prime is 27613231. The reversal of 27613225 is 52231672.

It is not a de Polignac number, because 27613225 - 2³ = 27613217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27613193 and 27613202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23437 + ... + 24586.

It is an arithmetic number, because the mean of its divisors is an integer number (2977488).

Almost surely, 2^27613225 is an apocalyptic number.

27613225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27613225 is a deficient number, since it is larger than the sum of its proper divisors (8116631).

27613225 is a wasteful number, since it uses less digits than its factorization.

27613225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48056 (or 48051 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 27613225 is about 5254.8287317476. The cubic root of 27613225 is about 302.2542228756.

Adding to 27613225 its reverse (52231672), we get a palindrome (79844897).

The spelling of 27613225 in words is "twenty-seven million, six hundred thirteen thousand, two hundred twenty-five".