4543913 has 18 divisors (see below), whose sum is σ = 5403258. Its totient is φ = 3805120.

The previous prime is 4543901. The next prime is 4543921. The reversal of 4543913 is 3193454.

It can be written as a sum of positive squares in only one way, i.e., 4276624 + 267289 = 2068^2 + 517^2 .

It is not a de Polignac number, because 4543913 - 2⁴ = 4543897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4543943) 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 17 ways as a sum of consecutive naturals, for example, 96656 + ... + 96702.

It is an arithmetic number, because the mean of its divisors is an integer number (300181).

Almost surely, 2^4543913 is an apocalyptic number.

It is an amenable number.

4543913 is a deficient number, since it is larger than the sum of its proper divisors (859345).

4543913 is a wasteful number, since it uses less digits than its factorization.

4543913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 75 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 4543913 is about 2131.6456084443. The cubic root of 4543913 is about 165.6316528952.

The spelling of 4543913 in words is "four million, five hundred forty-three thousand, nine hundred thirteen".