197216359 has 2 divisors, whose sum is σ = 197216360. Its totient is φ = 197216358.

The previous prime is 197216297. The next prime is 197216399. The reversal of 197216359 is 953612791.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 197216359 - 2⁷ = 197216231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197216399) 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, 98608179 + 98608180.

It is an arithmetic number, because the mean of its divisors is an integer number (98608180).

Almost surely, 2^197216359 is an apocalyptic number.

197216359 is a deficient number, since it is larger than the sum of its proper divisors (1).

197216359 is an equidigital number, since it uses as much as digits as its factorization.

197216359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102060, while the sum is 43.

The square root of 197216359 is about 14043.3742028047. The cubic root of 197216359 is about 582.0777235075.

The spelling of 197216359 in words is "one hundred ninety-seven million, two hundred sixteen thousand, three hundred fifty-nine".