4242019 has 2 divisors, whose sum is σ = 4242020. Its totient is φ = 4242018.

The previous prime is 4241989. The next prime is 4242023. The reversal of 4242019 is 9102424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4242019 - 2⁵ = 4241987 is a prime.

It is a super-2 number, since 2×4242019² = 35989450392722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4242059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121009 + 2121010.

It is an arithmetic number, because the mean of its divisors is an integer number (2121010).

Almost surely, 2^4242019 is an apocalyptic number.

4242019 is a deficient number, since it is larger than the sum of its proper divisors (1).

4242019 is an equidigital number, since it uses as much as digits as its factorization.

4242019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 4242019 is about 2059.6162263878. The cubic root of 4242019 is about 161.8791330320.

The spelling of 4242019 in words is "four million, two hundred forty-two thousand, nineteen".