272331457 has 2 divisors, whose sum is σ = 272331458. Its totient is φ = 272331456.

The previous prime is 272331443. The next prime is 272331473. The reversal of 272331457 is 754133272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169937296 + 102394161 = 13036^2 + 10119^2 .

It is a cyclic number.

It is not a de Polignac number, because 272331457 - 2⁷ = 272331329 is a prime.

It is not a weakly prime, because it can be changed into another prime (272331757) 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, 136165728 + 136165729.

It is an arithmetic number, because the mean of its divisors is an integer number (136165729).

Almost surely, 2^272331457 is an apocalyptic number.

It is an amenable number.

272331457 is a deficient number, since it is larger than the sum of its proper divisors (1).

272331457 is an equidigital number, since it uses as much as digits as its factorization.

272331457 is an odious number, because the sum of its binary digits is odd.

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

The square root of 272331457 is about 16502.4682093316. The cubic root of 272331457 is about 648.1854377389.

The spelling of 272331457 in words is "two hundred seventy-two million, three hundred thirty-one thousand, four hundred fifty-seven".