273313 has 2 divisors, whose sum is σ = 273314. Its totient is φ = 273312.

The previous prime is 273311. The next prime is 273323. The reversal of 273313 is 313372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219024 + 54289 = 468^2 + 233^2 .

It is a cyclic number.

It is not a de Polignac number, because 273313 - 2¹ = 273311 is a prime.

Together with 273311, it forms a pair of twin primes.

It is equal to p₂₃₉₁₄ and since 273313 and 23914 have the same sum of digits, it is a Honaker prime.

It is a nialpdrome in base 13.

It is not a weakly prime, because it can be changed into another prime (273311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136656 + 136657.

It is an arithmetic number, because the mean of its divisors is an integer number (136657).

2²⁷³³¹³ is an apocalyptic number.

It is an amenable number.

273313 is a deficient number, since it is larger than the sum of its proper divisors (1).

273313 is an equidigital number, since it uses as much as digits as its factorization.

273313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378, while the sum is 19.

The square root of 273313 is about 522.7934582605. The cubic root of 273313 is about 64.8963238746.

Adding to 273313 its reverse (313372), we get a palindrome (586685).

The spelling of 273313 in words is "two hundred seventy-three thousand, three hundred thirteen".