271730513 has 2 divisors, whose sum is σ = 271730514. Its totient is φ = 271730512.

The previous prime is 271730509. The next prime is 271730521. The reversal of 271730513 is 315037172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181252369 + 90478144 = 13463^2 + 9512^2 .

It is a cyclic number.

It is not a de Polignac number, because 271730513 - 2² = 271730509 is a prime.

It is not a weakly prime, because it can be changed into another prime (271730573) 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, 135865256 + 135865257.

It is an arithmetic number, because the mean of its divisors is an integer number (135865257).

Almost surely, 2^271730513 is an apocalyptic number.

It is an amenable number.

271730513 is a deficient number, since it is larger than the sum of its proper divisors (1).

271730513 is an equidigital number, since it uses as much as digits as its factorization.

271730513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 271730513 is about 16484.2504530840. The cubic root of 271730513 is about 647.7083108078.

Adding to 271730513 its reverse (315037172), we get a palindrome (586767685).

The spelling of 271730513 in words is "two hundred seventy-one million, seven hundred thirty thousand, five hundred thirteen".