271205497 has 2 divisors, whose sum is σ = 271205498. Its totient is φ = 271205496.

The previous prime is 271205401. The next prime is 271205507. The reversal of 271205497 is 794502172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207907561 + 63297936 = 14419^2 + 7956^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-271205497 is a prime.

It is not a weakly prime, because it can be changed into another prime (271205797) 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, 135602748 + 135602749.

It is an arithmetic number, because the mean of its divisors is an integer number (135602749).

Almost surely, 2^271205497 is an apocalyptic number.

It is an amenable number.

271205497 is a deficient number, since it is larger than the sum of its proper divisors (1).

271205497 is an equidigital number, since it uses as much as digits as its factorization.

271205497 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 37.

The square root of 271205497 is about 16468.3179772556. The cubic root of 271205497 is about 647.2908917644.

The spelling of 271205497 in words is "two hundred seventy-one million, two hundred five thousand, four hundred ninety-seven".