242202013 has 2 divisors, whose sum is σ = 242202014. Its totient is φ = 242202012.

The previous prime is 242202011. The next prime is 242202041. The reversal of 242202013 is 310202242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241709209 + 492804 = 15547^2 + 702^2 .

It is a cyclic number.

It is not a de Polignac number, because 242202013 - 2¹ = 242202011 is a prime.

Together with 242202011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242202011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121101006 + 121101007.

It is an arithmetic number, because the mean of its divisors is an integer number (121101007).

Almost surely, 2^242202013 is an apocalyptic number.

It is an amenable number.

242202013 is a deficient number, since it is larger than the sum of its proper divisors (1).

242202013 is an equidigital number, since it uses as much as digits as its factorization.

242202013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 242202013 is about 15562.8407753855. The cubic root of 242202013 is about 623.3413197016.

Adding to 242202013 its reverse (310202242), we get a palindrome (552404255).

The spelling of 242202013 in words is "two hundred forty-two million, two hundred two thousand, thirteen".