4200019 has 2 divisors, whose sum is σ = 4200020. Its totient is φ = 4200018.

The previous prime is 4200013. The next prime is 4200023. The reversal of 4200019 is 9100024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4200019 - 2⁷ = 4199891 is a prime.

It is a super-2 number, since 2×4200019² = 35280319200722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4199975 and 4200011.

It is not a weakly prime, because it can be changed into another prime (4200013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2100009 + 2100010.

It is an arithmetic number, because the mean of its divisors is an integer number (2100010).

Almost surely, 2^4200019 is an apocalyptic number.

4200019 is a deficient number, since it is larger than the sum of its proper divisors (1).

4200019 is an equidigital number, since it uses as much as digits as its factorization.

4200019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 4200019 is about 2049.3947887120. The cubic root of 4200019 is about 161.3431078969.

The spelling of 4200019 in words is "four million, two hundred thousand, nineteen".