543479 has 4 divisors (see below), whose sum is σ = 547584. Its totient is φ = 539376.

The previous prime is 543463. The next prime is 543497. The reversal of 543479 is 974345.

Added to its reverse (974345) it gives a square (1517824 = 1232²).

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 974345 = 5 ⋅194869.

It is a cyclic number.

It is not a de Polignac number, because 543479 - 2⁴ = 543463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543379) 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 3 ways as a sum of consecutive naturals, for example, 1847 + ... + 2120.

It is an arithmetic number, because the mean of its divisors is an integer number (136896).

2⁵⁴³⁴⁷⁹ is an apocalyptic number.

543479 is a deficient number, since it is larger than the sum of its proper divisors (4105).

543479 is a wasteful number, since it uses less digits than its factorization.

543479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104.

The product of its digits is 15120, while the sum is 32.

The square root of 543479 is about 737.2102820770. The cubic root of 543479 is about 81.6070331468.

Adding to 543479 its reverse (974345), we get a square (1517824 = 1232²).

The spelling of 543479 in words is "five hundred forty-three thousand, four hundred seventy-nine".