197432201 has 2 divisors, whose sum is σ = 197432202. Its totient is φ = 197432200.

The previous prime is 197432177. The next prime is 197432219. The reversal of 197432201 is 102234791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197430601 + 1600 = 14051^2 + 40^2 .

It is an emirp because it is prime and its reverse (102234791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 197432201 - 2¹⁰ = 197431177 is a prime.

It is not a weakly prime, because it can be changed into another prime (197432701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98716100 + 98716101.

It is an arithmetic number, because the mean of its divisors is an integer number (98716101).

Almost surely, 2^197432201 is an apocalyptic number.

It is an amenable number.

197432201 is a deficient number, since it is larger than the sum of its proper divisors (1).

197432201 is an equidigital number, since it uses as much as digits as its factorization.

197432201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 197432201 is about 14051.0569353341. The cubic root of 197432201 is about 582.2899963202.

Adding to 197432201 its reverse (102234791), we get a palindrome (299666992).

The spelling of 197432201 in words is "one hundred ninety-seven million, four hundred thirty-two thousand, two hundred one".