4242352217 has 2 divisors, whose sum is σ = 4242352218. Its totient is φ = 4242352216.

The previous prime is 4242352189. The next prime is 4242352241. The reversal of 4242352217 is 7122532424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3403438921 + 838913296 = 58339^2 + 28964^2 .

It is a cyclic number.

It is not a de Polignac number, because 4242352217 - 2⁸ = 4242351961 is a prime.

It is not a weakly prime, because it can be changed into another prime (4242352417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121176108 + 2121176109.

It is an arithmetic number, because the mean of its divisors is an integer number (2121176109).

Almost surely, 2^4242352217 is an apocalyptic number.

It is an amenable number.

4242352217 is a deficient number, since it is larger than the sum of its proper divisors (1).

4242352217 is an equidigital number, since it uses as much as digits as its factorization.

4242352217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 32.

The square root of 4242352217 is about 65133.3418227562. The cubic root of 4242352217 is about 1618.8337153785.

The spelling of 4242352217 in words is "four billion, two hundred forty-two million, three hundred fifty-two thousand, two hundred seventeen".