27201 has 4 divisors (see below), whose sum is σ = 36272. Its totient is φ = 18132.

The previous prime is 27197. The next prime is 27211. The reversal of 27201 is 10272.

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 not a de Polignac number, because 27201 - 2² = 27197 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

27201 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (27211) 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, 4531 + ... + 4536.

It is an arithmetic number, because the mean of its divisors is an integer number (9068).

2²⁷²⁰¹ is an apocalyptic number.

It is an amenable number.

27201 is a deficient number, since it is larger than the sum of its proper divisors (9071).

27201 is an equidigital number, since it uses as much as digits as its factorization.

27201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9070.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 27201 is about 164.9272566922. The cubic root of 27201 is about 30.0742604722.

Adding to 27201 its reverse (10272), we get a palindrome (37473).

The spelling of 27201 in words is "twenty-seven thousand, two hundred one", and thus it is an iban number.