197916203 has 2 divisors, whose sum is σ = 197916204. Its totient is φ = 197916202.

The previous prime is 197916167. The next prime is 197916233. The reversal of 197916203 is 302619791.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 197916203 - 2⁸ = 197915947 is a prime.

It is not a weakly prime, because it can be changed into another prime (197916233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98958101 + 98958102.

It is an arithmetic number, because the mean of its divisors is an integer number (98958102).

Almost surely, 2^197916203 is an apocalyptic number.

197916203 is a deficient number, since it is larger than the sum of its proper divisors (1).

197916203 is an equidigital number, since it uses as much as digits as its factorization.

197916203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 197916203 is about 14068.2693676230. The cubic root of 197916203 is about 582.7654330090.

The spelling of 197916203 in words is "one hundred ninety-seven million, nine hundred sixteen thousand, two hundred three".