542519 has 2 divisors, whose sum is σ = 542520. Its totient is φ = 542518.

The previous prime is 542497. The next prime is 542533. The reversal of 542519 is 915245.

542519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 542519 - 2⁸ = 542263 is a prime.

It is a super-2 number, since 2×542519² = 588653730722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271259 + 271260.

It is an arithmetic number, because the mean of its divisors is an integer number (271260).

2⁵⁴²⁵¹⁹ is an apocalyptic number.

542519 is a deficient number, since it is larger than the sum of its proper divisors (1).

542519 is an equidigital number, since it uses as much as digits as its factorization.

542519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 26.

The square root of 542519 is about 736.5588910603. The cubic root of 542519 is about 81.5589546714.

It can be divided in two parts, 5 and 42519, that added together give a palindrome (42524).

The spelling of 542519 in words is "five hundred forty-two thousand, five hundred nineteen".