542405043 has 12 divisors (see below), whose sum is σ = 829560888. Its totient is φ = 340332480.

The previous prime is 542405041. The next prime is 542405063. The reversal of 542405043 is 340504245.

It is not a de Polignac number, because 542405043 - 2¹ = 542405041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542404998 and 542405016.

It is not an unprimeable number, because it can be changed into a prime (542405041) 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 in 11 ways as a sum of consecutive naturals, for example, 1772413 + ... + 1772718.

It is an arithmetic number, because the mean of its divisors is an integer number (69130074).

Almost surely, 2^542405043 is an apocalyptic number.

542405043 is a deficient number, since it is larger than the sum of its proper divisors (287155845).

542405043 is a wasteful number, since it uses less digits than its factorization.

542405043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3545154 (or 3545151 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 542405043 is about 23289.5908723189. The cubic root of 542405043 is about 815.5324374105.

Adding to 542405043 its reverse (340504245), we get a palindrome (882909288).

The spelling of 542405043 in words is "five hundred forty-two million, four hundred five thousand, forty-three".