197871241 has 4 divisors (see below), whose sum is σ = 197965972. Its totient is φ = 197776512.

The previous prime is 197871217. The next prime is 197871259. The reversal of 197871241 is 142178791.

197871241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142178791 = 139 ⋅1022869.

It can be written as a sum of positive squares in 2 ways, for example, as 101929216 + 95942025 = 10096^2 + 9795^2 .

It is a cyclic number.

It is not a de Polignac number, because 197871241 - 2⁵ = 197871209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 197871194 and 197871203.

It is not an unprimeable number, because it can be changed into a prime (197871281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44160 + ... + 48433.

It is an arithmetic number, because the mean of its divisors is an integer number (49491493).

Almost surely, 2^197871241 is an apocalyptic number.

It is an amenable number.

197871241 is a deficient number, since it is larger than the sum of its proper divisors (94731).

197871241 is an equidigital number, since it uses as much as digits as its factorization.

197871241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94730.

The product of its digits is 28224, while the sum is 40.

The square root of 197871241 is about 14066.6712835695. The cubic root of 197871241 is about 582.7212993749.

The spelling of 197871241 in words is "one hundred ninety-seven million, eight hundred seventy-one thousand, two hundred forty-one".