542544031 has 4 divisors (see below), whose sum is σ = 571099000. Its totient is φ = 513989064.

The previous prime is 542544011. The next prime is 542544043. The reversal of 542544031 is 130445245.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 542544031 - 2¹¹ = 542541983 is a prime.

It is a super-2 number, since 2×542544031² = 588708051147457922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542544011) 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 3 ways as a sum of consecutive naturals, for example, 14277456 + ... + 14277493.

It is an arithmetic number, because the mean of its divisors is an integer number (142774750).

Almost surely, 2^542544031 is an apocalyptic number.

542544031 is a deficient number, since it is larger than the sum of its proper divisors (28554969).

542544031 is a wasteful number, since it uses less digits than its factorization.

542544031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28554968.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 542544031 is about 23292.5745893407. The cubic root of 542544031 is about 815.6020898738.

Adding to 542544031 its reverse (130445245), we get a palindrome (672989276).

It can be divided in two parts, 54254 and 4031, that added together give a palindrome (58285).

The spelling of 542544031 in words is "five hundred forty-two million, five hundred forty-four thousand, thirty-one".