4242005213 has 2 divisors, whose sum is σ = 4242005214. Its totient is φ = 4242005212.

The previous prime is 4242005179. The next prime is 4242005219. The reversal of 4242005213 is 3125002424.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2574344644 + 1667660569 = 50738^2 + 40837^2 .

It is a cyclic number.

It is not a de Polignac number, because 4242005213 - 2¹² = 4242001117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4242005219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121002606 + 2121002607.

It is an arithmetic number, because the mean of its divisors is an integer number (2121002607).

Almost surely, 2^4242005213 is an apocalyptic number.

It is an amenable number.

4242005213 is a deficient number, since it is larger than the sum of its proper divisors (1).

4242005213 is an equidigital number, since it uses as much as digits as its factorization.

4242005213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4242005213 is about 65130.6779712909. The cubic root of 4242005213 is about 1618.7895765720.

Adding to 4242005213 its reverse (3125002424), we get a palindrome (7367007637).

The spelling of 4242005213 in words is "four billion, two hundred forty-two million, five thousand, two hundred thirteen".