273320249 has 4 divisors (see below), whose sum is σ = 277064436. Its totient is φ = 269576064.

The previous prime is 273320239. The next prime is 273320297. The reversal of 273320249 is 942023372.

It is a happy number.

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 153264400 + 120055849 = 12380^2 + 10957^2 .

It is a cyclic number.

It is not a de Polignac number, because 273320249 - 2²⁰ = 272271673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (273320239) 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, 1871984 + ... + 1872129.

It is an arithmetic number, because the mean of its divisors is an integer number (69266109).

Almost surely, 2^273320249 is an apocalyptic number.

It is an amenable number.

273320249 is a deficient number, since it is larger than the sum of its proper divisors (3744187).

273320249 is an equidigital number, since it uses as much as digits as its factorization.

273320249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3744186.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 273320249 is about 16532.3999770148. The cubic root of 273320249 is about 648.9689761152.

The spelling of 273320249 in words is "two hundred seventy-three million, three hundred twenty thousand, two hundred forty-nine".