542619 has 48 divisors (see below), whose sum is σ = 1048320. Its totient is φ = 272160.

The previous prime is 542603. The next prime is 542683. The reversal of 542619 is 916245.

542619 is a `hidden beast` number, since 5 + 42 + 619 = 666.

542619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 542619 - 2⁴ = 542603 is a prime.

It is a super-2 number, since 2×542619² = 588870758322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

542619 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 542592 and 542601.

It is not an unprimeable number, because it can be changed into a prime (542119) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18697 + ... + 18725.

It is an arithmetic number, because the mean of its divisors is an integer number (21840).

2⁵⁴²⁶¹⁹ is an apocalyptic number.

542619 is a deficient number, since it is larger than the sum of its proper divisors (505701).

542619 is a wasteful number, since it uses less digits than its factorization.

542619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 50 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 542619 is about 736.6267711671. The cubic root of 542619 is about 81.5639654909.

It can be divided in two parts, 5426 and 19, that added together give a palindrome (5445).

The spelling of 542619 in words is "five hundred forty-two thousand, six hundred nineteen".