242302517 has 2 divisors, whose sum is σ = 242302518. Its totient is φ = 242302516.

The previous prime is 242302507. The next prime is 242302523. The reversal of 242302517 is 715203242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162843121 + 79459396 = 12761^2 + 8914^2 .

It is a cyclic number.

It is not a de Polignac number, because 242302517 - 2²⁰ = 241253941 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242302507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121151258 + 121151259.

It is an arithmetic number, because the mean of its divisors is an integer number (121151259).

Almost surely, 2^242302517 is an apocalyptic number.

It is an amenable number.

242302517 is a deficient number, since it is larger than the sum of its proper divisors (1).

242302517 is an equidigital number, since it uses as much as digits as its factorization.

242302517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 242302517 is about 15566.0694139529. The cubic root of 242302517 is about 623.4275282233.

Adding to 242302517 its reverse (715203242), we get a palindrome (957505759).

The spelling of 242302517 in words is "two hundred forty-two million, three hundred two thousand, five hundred seventeen".