272945243 has 2 divisors, whose sum is σ = 272945244. Its totient is φ = 272945242.

The previous prime is 272945227. The next prime is 272945261. The reversal of 272945243 is 342549272.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 272945243 - 2⁴ = 272945227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 272945197 and 272945206.

It is not a weakly prime, because it can be changed into another prime (272945213) 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 as a sum of consecutive naturals, namely, 136472621 + 136472622.

It is an arithmetic number, because the mean of its divisors is an integer number (136472622).

Almost surely, 2^272945243 is an apocalyptic number.

272945243 is a deficient number, since it is larger than the sum of its proper divisors (1).

272945243 is an equidigital number, since it uses as much as digits as its factorization.

272945243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 38.

The square root of 272945243 is about 16521.0545365603. The cubic root of 272945243 is about 648.6720367205.

The spelling of 272945243 in words is "two hundred seventy-two million, nine hundred forty-five thousand, two hundred forty-three".