195271 has 2 divisors, whose sum is σ = 195272. Its totient is φ = 195270.

The previous prime is 195259. The next prime is 195277. The reversal of 195271 is 172591.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195271 is a prime.

It is a plaindrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97635 + 97636.

It is an arithmetic number, because the mean of its divisors is an integer number (97636).

2¹⁹⁵²⁷¹ is an apocalyptic number.

195271 is a deficient number, since it is larger than the sum of its proper divisors (1).

195271 is an equidigital number, since it uses as much as digits as its factorization.

195271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 630, while the sum is 25.

The square root of 195271 is about 441.8947838570. The cubic root of 195271 is about 58.0157507758.

The spelling of 195271 in words is "one hundred ninety-five thousand, two hundred seventy-one".