272611 has 4 divisors (see below), whose sum is σ = 274824. Its totient is φ = 270400.

The previous prime is 272603. The next prime is 272621. The reversal of 272611 is 116272.

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

It is a 6-Lehmer number, since φ(272611) divides (272611-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 272611 - 2³ = 272603 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (272621) 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, 910 + ... + 1171.

It is an arithmetic number, because the mean of its divisors is an integer number (68706).

2²⁷²⁶¹¹ is an apocalyptic number.

272611 is the 234-th centered decagonal number.

272611 is a deficient number, since it is larger than the sum of its proper divisors (2213).

272611 is a wasteful number, since it uses less digits than its factorization.

272611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212.

The product of its digits is 168, while the sum is 19.

The square root of 272611 is about 522.1216333384. The cubic root of 272611 is about 64.8407145190.

Adding to 272611 its reverse (116272), we get a palindrome (388883).

The spelling of 272611 in words is "two hundred seventy-two thousand, six hundred eleven".