242016197 has 2 divisors, whose sum is σ = 242016198. Its totient is φ = 242016196.

The previous prime is 242016193. The next prime is 242016211. The reversal of 242016197 is 791610242.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239197156 + 2819041 = 15466^2 + 1679^2 .

It is a cyclic number.

It is not a de Polignac number, because 242016197 - 2² = 242016193 is a prime.

It is a super-2 number, since 2×242016197² = 117143679220685618, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242016193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121008098 + 121008099.

It is an arithmetic number, because the mean of its divisors is an integer number (121008099).

Almost surely, 2^242016197 is an apocalyptic number.

It is an amenable number.

242016197 is a deficient number, since it is larger than the sum of its proper divisors (1).

242016197 is an equidigital number, since it uses as much as digits as its factorization.

242016197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 242016197 is about 15556.8697686906. The cubic root of 242016197 is about 623.1818709527.

The spelling of 242016197 in words is "two hundred forty-two million, sixteen thousand, one hundred ninety-seven".