272549 has 2 divisors, whose sum is σ = 272550. Its totient is φ = 272548.

The previous prime is 272539. The next prime is 272563. The reversal of 272549 is 945272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 268324 + 4225 = 518^2 + 65^2 .

It is a cyclic number.

It is not a de Polignac number, because 272549 - 2⁴ = 272533 is a prime.

It is a Chen prime.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136274 + 136275.

It is an arithmetic number, because the mean of its divisors is an integer number (136275).

2²⁷²⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

272549 is a deficient number, since it is larger than the sum of its proper divisors (1).

272549 is an equidigital number, since it uses as much as digits as its factorization.

272549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 272549 is about 522.0622568238. The cubic root of 272549 is about 64.8357985653.

The spelling of 272549 in words is "two hundred seventy-two thousand, five hundred forty-nine".