542219 has 2 divisors, whose sum is σ = 542220. Its totient is φ = 542218.

The previous prime is 542207. The next prime is 542237. The reversal of 542219 is 912245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542219 - 2¹² = 538123 is a prime.

It is a super-2 number, since 2×542219² = 588002887922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 542194 and 542203.

It is not a weakly prime, because it can be changed into another prime (542299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271109 + 271110.

It is an arithmetic number, because the mean of its divisors is an integer number (271110).

2⁵⁴²²¹⁹ is an apocalyptic number.

542219 is a deficient number, since it is larger than the sum of its proper divisors (1).

542219 is an equidigital number, since it uses as much as digits as its factorization.

542219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 23.

The square root of 542219 is about 736.3552131954. The cubic root of 542219 is about 81.5439185173.

It can be divided in two parts, 5 and 42219, that added together give a palindrome (42224).

The spelling of 542219 in words is "five hundred forty-two thousand, two hundred nineteen".