27052281 has 6 divisors (see below), whose sum is σ = 39075530. Its totient is φ = 18034848.

The previous prime is 27052279. The next prime is 27052297. The reversal of 27052281 is 18225072.

It can be written as a sum of positive squares in only one way, i.e., 19713600 + 7338681 = 4440^2 + 2709^2 .

It is not a de Polignac number, because 27052281 - 2¹ = 27052279 is a prime.

It is a super-2 number, since 2×27052281² = 1463651814605922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27052211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1502896 + ... + 1502913.

Almost surely, 2^27052281 is an apocalyptic number.

It is an amenable number.

27052281 is a deficient number, since it is larger than the sum of its proper divisors (12023249).

27052281 is a wasteful number, since it uses less digits than its factorization.

27052281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005815 (or 3005812 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 27052281 is about 5201.1807313340. The cubic root of 27052281 is about 300.1935084880.

The spelling of 27052281 in words is "twenty-seven million, fifty-two thousand, two hundred eighty-one".