271711997 has 2 divisors, whose sum is σ = 271711998. Its totient is φ = 271711996.

The previous prime is 271711943. The next prime is 271712009. The reversal of 271711997 is 799117172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193460281 + 78251716 = 13909^2 + 8846^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-271711997 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (271711597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135855998 + 135855999.

It is an arithmetic number, because the mean of its divisors is an integer number (135855999).

Almost surely, 2^271711997 is an apocalyptic number.

It is an amenable number.

271711997 is a deficient number, since it is larger than the sum of its proper divisors (1).

271711997 is an equidigital number, since it uses as much as digits as its factorization.

271711997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55566, while the sum is 44.

The square root of 271711997 is about 16483.6888165240. The cubic root of 271711997 is about 647.6935986341.

The spelling of 271711997 in words is "two hundred seventy-one million, seven hundred eleven thousand, nine hundred ninety-seven".