4542019 has 2 divisors, whose sum is σ = 4542020. Its totient is φ = 4542018.

The previous prime is 4542011. The next prime is 4542029. The reversal of 4542019 is 9102454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4542019 - 2³ = 4542011 is a prime.

It is a super-2 number, since 2×4542019² = 41259873192722, which contains 22 as substring.

It is equal to p₃₁₈₆₅₂ and since 4542019 and 318652 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 4541984 and 4542002.

It is not a weakly prime, because it can be changed into another prime (4542011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2271009 + 2271010.

It is an arithmetic number, because the mean of its divisors is an integer number (2271010).

Almost surely, 2^4542019 is an apocalyptic number.

4542019 is a deficient number, since it is larger than the sum of its proper divisors (1).

4542019 is an equidigital number, since it uses as much as digits as its factorization.

4542019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 4542019 is about 2131.2013044290. The cubic root of 4542019 is about 165.6086367601.

The spelling of 4542019 in words is "four million, five hundred forty-two thousand, nineteen".