4242193 has 2 divisors, whose sum is σ = 4242194. Its totient is φ = 4242192.

The previous prime is 4242191. The next prime is 4242209. The reversal of 4242193 is 3912424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4190209 + 51984 = 2047^2 + 228^2 .

It is a cyclic number.

It is not a de Polignac number, because 4242193 - 2¹ = 4242191 is a prime.

Together with 4242191, it forms a pair of twin primes.

4242193 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4242191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121096 + 2121097.

It is an arithmetic number, because the mean of its divisors is an integer number (2121097).

Almost surely, 2^4242193 is an apocalyptic number.

It is an amenable number.

4242193 is a deficient number, since it is larger than the sum of its proper divisors (1).

4242193 is an equidigital number, since it uses as much as digits as its factorization.

4242193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 4242193 is about 2059.6584668338. The cubic root of 4242193 is about 161.8813463322.

The spelling of 4242193 in words is "four million, two hundred forty-two thousand, one hundred ninety-three".