272543 has 4 divisors (see below), whose sum is σ = 273600. Its totient is φ = 271488.

The previous prime is 272539. The next prime is 272549. The reversal of 272543 is 345272.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 272543 - 2² = 272539 is a prime.

It is a d-powerful number, because it can be written as 2³ + 7 + 5 + 2¹³ + 4⁹ + 3⁷ .

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272549) 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, 146 + ... + 752.

It is an arithmetic number, because the mean of its divisors is an integer number (68400).

2²⁷²⁵⁴³ is an apocalyptic number.

272543 is a deficient number, since it is larger than the sum of its proper divisors (1057).

272543 is an equidigital number, since it uses as much as digits as its factorization.

272543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056.

The product of its digits is 1680, while the sum is 23.

The square root of 272543 is about 522.0565103511. The cubic root of 272543 is about 64.8353227883.

It can be divided in two parts, 272 and 543, that multiplied together give a triangular number (147696 = T₅₄₃).

The spelling of 272543 in words is "two hundred seventy-two thousand, five hundred forty-three".