197313241 has 4 divisors (see below), whose sum is σ = 197638912. Its totient is φ = 196987572.

The previous prime is 197313239. The next prime is 197313257. The reversal of 197313241 is 142313791.

197313241 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 197313241 - 2¹ = 197313239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197313211) 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, 161925 + ... + 163138.

It is an arithmetic number, because the mean of its divisors is an integer number (49409728).

Almost surely, 2^197313241 is an apocalyptic number.

It is an amenable number.

197313241 is a deficient number, since it is larger than the sum of its proper divisors (325671).

197313241 is an equidigital number, since it uses as much as digits as its factorization.

197313241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325670.

The product of its digits is 4536, while the sum is 31.

The square root of 197313241 is about 14046.8231639755. The cubic root of 197313241 is about 582.1730226036.

The spelling of 197313241 in words is "one hundred ninety-seven million, three hundred thirteen thousand, two hundred forty-one".