4581943 has 2 divisors, whose sum is σ = 4581944. Its totient is φ = 4581942.

The previous prime is 4581937. The next prime is 4581947. The reversal of 4581943 is 3491854.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4581943 - 2⁵ = 4581911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4581899 and 4581908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4581947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2290971 + 2290972.

It is an arithmetic number, because the mean of its divisors is an integer number (2290972).

Almost surely, 2^4581943 is an apocalyptic number.

4581943 is a deficient number, since it is larger than the sum of its proper divisors (1).

4581943 is an equidigital number, since it uses as much as digits as its factorization.

4581943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 4581943 is about 2140.5473599059. The cubic root of 4581943 is about 166.0924510416.

It can be divided in two parts, 458 and 1943, that added together give a 4-th power (2401 = 7⁴).

The spelling of 4581943 in words is "four million, five hundred eighty-one thousand, nine hundred forty-three".