542719 has 2 divisors, whose sum is σ = 542720. Its totient is φ = 542718.

The previous prime is 542713. The next prime is 542723. The reversal of 542719 is 917245.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 542719 - 2⁵ = 542687 is a prime.

It is a super-2 number, since 2×542719² = 589087825922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271359 + 271360.

It is an arithmetic number, because the mean of its divisors is an integer number (271360).

2⁵⁴²⁷¹⁹ is an apocalyptic number.

542719 is a deficient number, since it is larger than the sum of its proper divisors (1).

542719 is an equidigital number, since it uses as much as digits as its factorization.

542719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 542719 is about 736.6946450192. The cubic root of 542719 is about 81.5689756948.

It can be divided in two parts, 5 and 42719, that added together give a palindrome (42724).

The spelling of 542719 in words is "five hundred forty-two thousand, seven hundred nineteen".