197241271 has 2 divisors, whose sum is σ = 197241272. Its totient is φ = 197241270.

The previous prime is 197241269. The next prime is 197241371. The reversal of 197241271 is 172142791.

It is a weak prime.

It is an emirp because it is prime and its reverse (172142791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 197241271 - 2¹ = 197241269 is a prime.

Together with 197241269, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197241211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98620635 + 98620636.

It is an arithmetic number, because the mean of its divisors is an integer number (98620636).

Almost surely, 2^197241271 is an apocalyptic number.

197241271 is a deficient number, since it is larger than the sum of its proper divisors (1).

197241271 is an equidigital number, since it uses as much as digits as its factorization.

197241271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 34.

The square root of 197241271 is about 14044.2611411210. The cubic root of 197241271 is about 582.1022314638.

The spelling of 197241271 in words is "one hundred ninety-seven million, two hundred forty-one thousand, two hundred seventy-one".