272081 has 4 divisors (see below), whose sum is σ = 273972. Its totient is φ = 270192.

The previous prime is 272059. The next prime is 272093. The reversal of 272081 is 180272.

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 99856 + 172225 = 316^2 + 415^2 .

It is a cyclic number.

It is not a de Polignac number, because 272081 - 2¹⁰ = 271057 is a prime.

It is a super-2 number, since 2×272081² = 148056141122, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a zygodrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 272081.

It is not an unprimeable number, because it can be changed into a prime (272011) 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, 710 + ... + 1023.

It is an arithmetic number, because the mean of its divisors is an integer number (68493).

2²⁷²⁰⁸¹ is an apocalyptic number.

It is an amenable number.

272081 is a deficient number, since it is larger than the sum of its proper divisors (1891).

272081 is a wasteful number, since it uses less digits than its factorization.

272081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 272081 is about 521.6138418409. The cubic root of 272081 is about 64.7986669695.

Subtracting from 272081 its reverse (180272), we obtain a square (91809 = 303²).

The spelling of 272081 in words is "two hundred seventy-two thousand, eighty-one".