242527517 has 2 divisors, whose sum is σ = 242527518. Its totient is φ = 242527516.

The previous prime is 242527501. The next prime is 242527529. The reversal of 242527517 is 715725242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 235499716 + 7027801 = 15346^2 + 2651^2 .

It is a cyclic number.

It is not a de Polignac number, because 242527517 - 2⁴ = 242527501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242527547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121263758 + 121263759.

It is an arithmetic number, because the mean of its divisors is an integer number (121263759).

Almost surely, 2^242527517 is an apocalyptic number.

It is an amenable number.

242527517 is a deficient number, since it is larger than the sum of its proper divisors (1).

242527517 is an equidigital number, since it uses as much as digits as its factorization.

242527517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39200, while the sum is 35.

The square root of 242527517 is about 15573.2949949585. The cubic root of 242527517 is about 623.6204383091.

The spelling of 242527517 in words is "two hundred forty-two million, five hundred twenty-seven thousand, five hundred seventeen".