272605273 has 2 divisors, whose sum is σ = 272605274. Its totient is φ = 272605272.

The previous prime is 272605261. The next prime is 272605339. The reversal of 272605273 is 372506272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183548304 + 89056969 = 13548^2 + 9437^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-272605273 is a prime.

It is not a weakly prime, because it can be changed into another prime (272605213) 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 as a sum of consecutive naturals, namely, 136302636 + 136302637.

It is an arithmetic number, because the mean of its divisors is an integer number (136302637).

Almost surely, 2^272605273 is an apocalyptic number.

It is an amenable number.

272605273 is a deficient number, since it is larger than the sum of its proper divisors (1).

272605273 is an equidigital number, since it uses as much as digits as its factorization.

272605273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 272605273 is about 16510.7623385475. The cubic root of 272605273 is about 648.4026045881.

Subtracting 272605273 from its reverse (372506272), we obtain a palindrome (99900999).

The spelling of 272605273 in words is "two hundred seventy-two million, six hundred five thousand, two hundred seventy-three".