242356117 has 2 divisors, whose sum is σ = 242356118. Its totient is φ = 242356116.

The previous prime is 242356087. The next prime is 242356133. The reversal of 242356117 is 711653242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187388721 + 54967396 = 13689^2 + 7414^2 .

It is a cyclic number.

It is not a de Polignac number, because 242356117 - 2¹¹ = 242354069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242356417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121178058 + 121178059.

It is an arithmetic number, because the mean of its divisors is an integer number (121178059).

Almost surely, 2^242356117 is an apocalyptic number.

It is an amenable number.

242356117 is a deficient number, since it is larger than the sum of its proper divisors (1).

242356117 is an equidigital number, since it uses as much as digits as its factorization.

242356117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 31.

The square root of 242356117 is about 15567.7910122149. The cubic root of 242356117 is about 623.4734945250.

The spelling of 242356117 in words is "two hundred forty-two million, three hundred fifty-six thousand, one hundred seventeen".