5043921 has 4 divisors (see below), whose sum is σ = 6725232. Its totient is φ = 3362612.

The previous prime is 5043919. The next prime is 5043947. The reversal of 5043921 is 1293405.

5043921 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5043921 - 2¹ = 5043919 is a prime.

It is a super-2 number, since 2×5043921² = 50882278108482, which contains 22 as substring.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 5043891 and 5043900.

It is not an unprimeable number, because it can be changed into a prime (5043971) 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 in 3 ways as a sum of consecutive naturals, for example, 840651 + ... + 840656.

It is an arithmetic number, because the mean of its divisors is an integer number (1681308).

Almost surely, 2^5043921 is an apocalyptic number.

It is an amenable number.

5043921 is a deficient number, since it is larger than the sum of its proper divisors (1681311).

5043921 is a wasteful number, since it uses less digits than its factorization.

5043921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681310.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 5043921 is about 2245.8675383913. The cubic root of 5043921 is about 171.4968280770.

The spelling of 5043921 in words is "five million, forty-three thousand, nine hundred twenty-one".