542479 has 6 divisors (see below), whose sum is σ = 631104. Its totient is φ = 464940.

The previous prime is 542467. The next prime is 542483. The reversal of 542479 is 974245.

It is not a de Polignac number, because 542479 - 2⁵ = 542447 is a prime.

It is a d-powerful number, because it can be written as 5 + 4⁵ + 4⁷ + 2¹⁹ + 7² + 9³ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 542479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542489) 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, 5487 + ... + 5584.

It is an arithmetic number, because the mean of its divisors is an integer number (105184).

2⁵⁴²⁴⁷⁹ is an apocalyptic number.

542479 is a deficient number, since it is larger than the sum of its proper divisors (88625).

542479 is a wasteful number, since it uses less digits than its factorization.

542479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11085 (or 11078 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 542479 is about 736.5317372660. The cubic root of 542479 is about 81.5569501712.

The spelling of 542479 in words is "five hundred forty-two thousand, four hundred seventy-nine".