542331 has 6 divisors (see below), whose sum is σ = 783380. Its totient is φ = 361548.

The previous prime is 542323. The next prime is 542371. The reversal of 542331 is 133245.

542331 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 542331 - 2³ = 542323 is a prime.

It is a super-2 number, since 2×542331² = 588245827122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30121 + ... + 30138.

2⁵⁴²³³¹ is an apocalyptic number.

542331 is a deficient number, since it is larger than the sum of its proper divisors (241049).

542331 is a wasteful number, since it uses less digits than its factorization.

542331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60265 (or 60262 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 542331 is about 736.4312595212. The cubic root of 542331 is about 81.5495326635.

Adding to 542331 its reverse (133245), we get a palindrome (675576).

The spelling of 542331 in words is "five hundred forty-two thousand, three hundred thirty-one".