542031 has 16 divisors (see below), whose sum is σ = 843264. Its totient is φ = 303264.

The previous prime is 542027. The next prime is 542053. The reversal of 542031 is 130245.

It is not a de Polignac number, because 542031 - 2² = 542027 is a prime.

It is a super-2 number, since 2×542031² = 587595209922, which contains 22 as substring.

542031 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 542031.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 542031.

It is not an unprimeable number, because it can be changed into a prime (542021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 870 + ... + 1356.

It is an arithmetic number, because the mean of its divisors is an integer number (52704).

2⁵⁴²⁰³¹ is an apocalyptic number.

542031 is a deficient number, since it is larger than the sum of its proper divisors (301233).

542031 is a wasteful number, since it uses less digits than its factorization.

542031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 542031 is about 736.2275463469. The cubic root of 542031 is about 81.5344930338.

Adding to 542031 its reverse (130245), we get a palindrome (672276).

The spelling of 542031 in words is "five hundred forty-two thousand, thirty-one".