27049 has 4 divisors (see below), whose sum is σ = 29520. Its totient is φ = 24580.

The previous prime is 27043. The next prime is 27059. The reversal of 27049 is 94072.

27049 = 11² + 12² + ... + 43².

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27049 - 2⁵ = 27017 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1219 + ... + 1240.

It is an arithmetic number, because the mean of its divisors is an integer number (7380).

2²⁷⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

27049 is a deficient number, since it is larger than the sum of its proper divisors (2471).

27049 is a wasteful number, since it uses less digits than its factorization.

27049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 27049 is about 164.4658019164. The cubic root of 27049 is about 30.0181371807.

Adding to 27049 its reverse (94072), we get a palindrome (121121).

It can be divided in two parts, 2704 and 9, that multiplied together give a square (24336 = 156²).

The spelling of 27049 in words is "twenty-seven thousand, forty-nine".