197794361 has 2 divisors, whose sum is σ = 197794362. Its totient is φ = 197794360.

The previous prime is 197794327. The next prime is 197794379. The reversal of 197794361 is 163497791.

197794361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182925625 + 14868736 = 13525^2 + 3856^2 .

It is a cyclic number.

It is not a de Polignac number, because 197794361 - 2¹⁴ = 197777977 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (197794301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98897180 + 98897181.

It is an arithmetic number, because the mean of its divisors is an integer number (98897181).

Almost surely, 2^197794361 is an apocalyptic number.

It is an amenable number.

197794361 is a deficient number, since it is larger than the sum of its proper divisors (1).

197794361 is an equidigital number, since it uses as much as digits as its factorization.

197794361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 47.

The square root of 197794361 is about 14063.9383175553. The cubic root of 197794361 is about 582.6458202964.

The spelling of 197794361 in words is "one hundred ninety-seven million, seven hundred ninety-four thousand, three hundred sixty-one".