242003617 has 2 divisors, whose sum is σ = 242003618. Its totient is φ = 242003616.

The previous prime is 242003591. The next prime is 242003633. The reversal of 242003617 is 716300242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241149841 + 853776 = 15529^2 + 924^2 .

It is a cyclic number.

It is not a de Polignac number, because 242003617 - 2¹⁵ = 241970849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242003591 and 242003600.

It is not a weakly prime, because it can be changed into another prime (242003647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121001808 + 121001809.

It is an arithmetic number, because the mean of its divisors is an integer number (121001809).

Almost surely, 2^242003617 is an apocalyptic number.

It is an amenable number.

242003617 is a deficient number, since it is larger than the sum of its proper divisors (1).

242003617 is an equidigital number, since it uses as much as digits as its factorization.

242003617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 242003617 is about 15556.4654404527. The cubic root of 242003617 is about 623.1710731027.

Adding to 242003617 its reverse (716300242), we get a palindrome (958303859).

The spelling of 242003617 in words is "two hundred forty-two million, three thousand, six hundred seventeen".