5000421 has 4 divisors (see below), whose sum is σ = 6667232. Its totient is φ = 3333612.

The previous prime is 5000399. The next prime is 5000423. The reversal of 5000421 is 1240005.

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 not a de Polignac number, because 5000421 - 2⁵ = 5000389 is a prime.

It is a D-number.

It is a Duffinian number.

5000421 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5000397 and 5000406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5000423) 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 3 ways as a sum of consecutive naturals, for example, 833401 + ... + 833406.

It is an arithmetic number, because the mean of its divisors is an integer number (1666808).

Almost surely, 2^5000421 is an apocalyptic number.

It is an amenable number.

5000421 is a deficient number, since it is larger than the sum of its proper divisors (1666811).

5000421 is a wasteful number, since it uses less digits than its factorization.

5000421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666810.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 5000421 is about 2236.1621139801. The cubic root of 5000421 is about 171.0023938655.

Adding to 5000421 its reverse (1240005), we get a palindrome (6240426).

The spelling of 5000421 in words is "five million, four hundred twenty-one", and thus it is an aban number.