271720601 has 2 divisors, whose sum is σ = 271720602. Its totient is φ = 271720600.

The previous prime is 271720543. The next prime is 271720613. The reversal of 271720601 is 106027172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249640000 + 22080601 = 15800^2 + 4699^2 .

It is a cyclic number.

It is not a de Polignac number, because 271720601 - 2¹⁰ = 271719577 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (271720661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135860300 + 135860301.

It is an arithmetic number, because the mean of its divisors is an integer number (135860301).

Almost surely, 2^271720601 is an apocalyptic number.

It is an amenable number.

271720601 is a deficient number, since it is larger than the sum of its proper divisors (1).

271720601 is an equidigital number, since it uses as much as digits as its factorization.

271720601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 271720601 is about 16483.9497997294. The cubic root of 271720601 is about 647.7004351583.

Adding to 271720601 its reverse (106027172), we get a palindrome (377747773).

The spelling of 271720601 in words is "two hundred seventy-one million, seven hundred twenty thousand, six hundred one".