273247 has 4 divisors (see below), whose sum is σ = 294280. Its totient is φ = 252216.

The previous prime is 273233. The next prime is 273253. The reversal of 273247 is 742372.

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

It is a cyclic number.

It is not a de Polignac number, because 273247 - 2¹⁵ = 240479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10497 + ... + 10522.

It is an arithmetic number, because the mean of its divisors is an integer number (73570).

2²⁷³²⁴⁷ is an apocalyptic number.

273247 is a deficient number, since it is larger than the sum of its proper divisors (21033).

273247 is a wasteful number, since it uses less digits than its factorization.

273247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21032.

The product of its digits is 2352, while the sum is 25.

The square root of 273247 is about 522.7303320069. The cubic root of 273247 is about 64.8910997028.

The spelling of 273247 in words is "two hundred seventy-three thousand, two hundred forty-seven", and thus it is an iban number.