197255 has 4 divisors (see below), whose sum is σ = 236712. Its totient is φ = 157800.

The previous prime is 197243. The next prime is 197257. The reversal of 197255 is 552791.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 197255 - 2¹⁴ = 180871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19721 + ... + 19730.

It is an arithmetic number, because the mean of its divisors is an integer number (59178).

2¹⁹⁷²⁵⁵ is an apocalyptic number.

197255 is a deficient number, since it is larger than the sum of its proper divisors (39457).

197255 is an equidigital number, since it uses as much as digits as its factorization.

197255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39456.

The product of its digits is 3150, while the sum is 29.

The square root of 197255 is about 444.1339887917. The cubic root of 197255 is about 58.2115736913.

The spelling of 197255 in words is "one hundred ninety-seven thousand, two hundred fifty-five".