543913 has 4 divisors (see below), whose sum is σ = 572560. Its totient is φ = 515268.

The previous prime is 543911. The next prime is 543929. The reversal of 543913 is 319345.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 543913 - 2¹ = 543911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (543911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14295 + ... + 14332.

It is an arithmetic number, because the mean of its divisors is an integer number (143140).

2⁵⁴³⁹¹³ is an apocalyptic number.

It is an amenable number.

543913 is a deficient number, since it is larger than the sum of its proper divisors (28647).

543913 is a wasteful number, since it uses less digits than its factorization.

543913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28646.

The product of its digits is 1620, while the sum is 25.

The square root of 543913 is about 737.5045762570. The cubic root of 543913 is about 81.6287500417.

It can be divided in two parts, 5439 and 13, that multiplied together give a palindrome (70707).

The spelling of 543913 in words is "five hundred forty-three thousand, nine hundred thirteen".