1327818225 has 24 divisors (see below), whose sum is σ = 2197707552. Its totient is φ = 707401600.

The previous prime is 1327818209. The next prime is 1327818253. The reversal of 1327818225 is 5228187231.

It is not a de Polignac number, because 1327818225 - 2⁴ = 1327818209 is a prime.

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, 63709 + ... + 81941.

It is an arithmetic number, because the mean of its divisors is an integer number (91571148).

Almost surely, 2^1327818225 is an apocalyptic number.

1327818225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1327818225 is a deficient number, since it is larger than the sum of its proper divisors (869889327).

1327818225 is a wasteful number, since it uses less digits than its factorization.

1327818225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19217 (or 19212 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 1327818225 is about 36439.2401814308. The cubic root of 1327818225 is about 1099.1227785861.

The spelling of 1327818225 in words is "one billion, three hundred twenty-seven million, eight hundred eighteen thousand, two hundred twenty-five".