542679 has 8 divisors (see below), whose sum is σ = 743280. Its totient is φ = 351936.

The previous prime is 542603. The next prime is 542683. The reversal of 542679 is 976245.

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

It is not a de Polignac number, because 542679 - 2⁷ = 542551 is a prime.

It is a d-powerful number, because it can be written as 5⁵ + 4⁴ + 6⁵ + 2⁵ + 7² + 9⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2334 + ... + 2555.

It is an arithmetic number, because the mean of its divisors is an integer number (92910).

2⁵⁴²⁶⁷⁹ is an apocalyptic number.

542679 is a deficient number, since it is larger than the sum of its proper divisors (200601).

542679 is a wasteful number, since it uses less digits than its factorization.

542679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4929.

The product of its digits is 15120, while the sum is 33.

The square root of 542679 is about 736.6674962288. The cubic root of 542679 is about 81.5669716871.

It can be divided in two parts, 542 and 679, that added together give a palindrome (1221).

The spelling of 542679 in words is "five hundred forty-two thousand, six hundred seventy-nine".