27101 has 4 divisors (see below), whose sum is σ = 27804. Its totient is φ = 26400.

The previous prime is 27091. The next prime is 27103. The reversal of 27101 is 10172.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10201 + 16900 = 101^2 + 130^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27101 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27103) 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, 290 + ... + 371.

It is an arithmetic number, because the mean of its divisors is an integer number (6951).

2²⁷¹⁰¹ is an apocalyptic number.

It is an amenable number.

27101 is a deficient number, since it is larger than the sum of its proper divisors (703).

27101 is an equidigital number, since it uses as much as digits as its factorization.

27101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702.

The product of its (nonzero) digits is 14, while the sum is 11.

The square root of 27101 is about 164.6238135872. The cubic root of 27101 is about 30.0373608603.

Adding to 27101 its reverse (10172), we get a palindrome (37273).

It can be divided in two parts, 27 and 101, that added together give a 7-th power (128 = 2⁷).

The spelling of 27101 in words is "twenty-seven thousand, one hundred one", and thus it is an iban number.