542005443 has 24 divisors (see below), whose sum is σ = 902959200. Its totient is φ = 306872064.

The previous prime is 542005433. The next prime is 542005459. The reversal of 542005443 is 344500245.

It is not a de Polignac number, because 542005443 - 2⁴ = 542005427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542005423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32598 + ... + 46331.

It is an arithmetic number, because the mean of its divisors is an integer number (37623300).

Almost surely, 2^542005443 is an apocalyptic number.

542005443 is a deficient number, since it is larger than the sum of its proper divisors (360953757).

542005443 is a wasteful number, since it uses less digits than its factorization.

542005443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79051 (or 79048 counting only the distinct ones).

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

The square root of 542005443 is about 23281.0103517867. The cubic root of 542005443 is about 815.3321155121.

Adding to 542005443 its reverse (344500245), we get a palindrome (886505688).

The spelling of 542005443 in words is "five hundred forty-two million, five thousand, four hundred forty-three".