5043421 has 4 divisors (see below), whose sum is σ = 5206144. Its totient is φ = 4880700.

The previous prime is 5043413. The next prime is 5043431. The reversal of 5043421 is 1243405.

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 5043421 - 2³ = 5043413 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 (5043431) 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, 81315 + ... + 81376.

It is an arithmetic number, because the mean of its divisors is an integer number (1301536).

Almost surely, 2^5043421 is an apocalyptic number.

It is an amenable number.

5043421 is a deficient number, since it is larger than the sum of its proper divisors (162723).

5043421 is a wasteful number, since it uses less digits than its factorization.

5043421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162722.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 5043421 is about 2245.7562200738. The cubic root of 5043421 is about 171.4911611070.

Adding to 5043421 its reverse (1243405), we get a palindrome (6286826).

The spelling of 5043421 in words is "five million, forty-three thousand, four hundred twenty-one".