273456243 has 10 divisors (see below), whose sum is σ = 408496484. Its totient is φ = 182304108.

The previous prime is 273456191. The next prime is 273456263. The reversal of 273456243 is 342654372.

273456243 is a `hidden beast` number, since 27 + 3 + 4 + 5 + 624 + 3 = 666.

It is not a de Polignac number, because 273456243 - 2¹⁰ = 273455219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 273456198 and 273456207.

It is not an unprimeable number, because it can be changed into a prime (273456263) 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 9 ways as a sum of consecutive naturals, for example, 1687921 + ... + 1688082.

Almost surely, 2^273456243 is an apocalyptic number.

273456243 is a deficient number, since it is larger than the sum of its proper divisors (135040241).

273456243 is an equidigital number, since it uses as much as digits as its factorization.

273456243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3376015 (or 3376006 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 273456243 is about 16536.5124194916. The cubic root of 273456243 is about 649.0765925513.

The spelling of 273456243 in words is "two hundred seventy-three million, four hundred fifty-six thousand, two hundred forty-three".