27298225 has 12 divisors (see below), whose sum is σ = 34201804. Its totient is φ = 21611520.

The previous prime is 27298207. The next prime is 27298237. The reversal of 27298225 is 52289272.

It can be written as a sum of positive squares in 6 ways, for example, as 18496 + 27279729 = 136^2 + 5223^2 .

It is not a de Polignac number, because 27298225 - 2⁷ = 27298097 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3204 + ... + 8053.

Almost surely, 2^27298225 is an apocalyptic number.

27298225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27298225 is a deficient number, since it is larger than the sum of its proper divisors (6903579).

27298225 is a wasteful number, since it uses less digits than its factorization.

27298225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11364 (or 11359 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 27298225 is about 5224.7703298805. The cubic root of 27298225 is about 301.1004951356.

The spelling of 27298225 in words is "twenty-seven million, two hundred ninety-eight thousand, two hundred twenty-five".