273081313 has 4 divisors (see below), whose sum is σ = 282497940. Its totient is φ = 263664688.

The previous prime is 273081307. The next prime is 273081317. The reversal of 273081313 is 313180372.

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 78004224 + 195077089 = 8832^2 + 13967^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-273081313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (273081317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4708270 + ... + 4708327.

It is an arithmetic number, because the mean of its divisors is an integer number (70624485).

Almost surely, 2^273081313 is an apocalyptic number.

It is an amenable number.

273081313 is a deficient number, since it is larger than the sum of its proper divisors (9416627).

273081313 is an equidigital number, since it uses as much as digits as its factorization.

273081313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9416626.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 273081313 is about 16525.1721019782. The cubic root of 273081313 is about 648.7798118670.

The spelling of 273081313 in words is "two hundred seventy-three million, eighty-one thousand, three hundred thirteen".