542867 has 4 divisors (see below), whose sum is σ = 584640. Its totient is φ = 501096.

The previous prime is 542837. The next prime is 542873. The reversal of 542867 is 768245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 768245 = 5 ⋅153649.

It is a cyclic number.

It is not a de Polignac number, because 542867 - 2¹² = 538771 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 542867.

It is not an unprimeable number, because it can be changed into a prime (542837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20867 + ... + 20892.

It is an arithmetic number, because the mean of its divisors is an integer number (146160).

2⁵⁴²⁸⁶⁷ is an apocalyptic number.

542867 is a deficient number, since it is larger than the sum of its proper divisors (41773).

542867 is a wasteful number, since it uses less digits than its factorization.

542867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41772.

The product of its digits is 13440, while the sum is 32.

The square root of 542867 is about 736.7950868457. The cubic root of 542867 is about 81.5763896673.

The spelling of 542867 in words is "five hundred forty-two thousand, eight hundred sixty-seven".