542931 has 8 divisors (see below), whose sum is σ = 729744. Its totient is φ = 359040.

The previous prime is 542923. The next prime is 542933. The reversal of 542931 is 139245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 542931 - 2³ = 542923 is a prime.

It is a super-2 number, since 2×542931² = 589548141522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (542933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250 + ... + 1071.

It is an arithmetic number, because the mean of its divisors is an integer number (91218).

2⁵⁴²⁹³¹ is an apocalyptic number.

542931 is a deficient number, since it is larger than the sum of its proper divisors (186813).

542931 is a wasteful number, since it uses less digits than its factorization.

542931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461.

The product of its digits is 1080, while the sum is 24.

The square root of 542931 is about 736.8385169086. The cubic root of 542931 is about 81.5795952922.

It can be divided in two parts, 5429 and 31, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 542931 in words is "five hundred forty-two thousand, nine hundred thirty-one".