5103421 has 4 divisors (see below), whose sum is σ = 5164992. Its totient is φ = 5041852.

The previous prime is 5103407. The next prime is 5103431. The reversal of 5103421 is 1243015.

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 5103421 - 2⁵ = 5103389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5103395 and 5103404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5103431) 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, 30661 + ... + 30826.

It is an arithmetic number, because the mean of its divisors is an integer number (1291248).

Almost surely, 2^5103421 is an apocalyptic number.

It is an amenable number.

5103421 is a deficient number, since it is larger than the sum of its proper divisors (61571).

5103421 is an equidigital number, since it uses as much as digits as its factorization.

5103421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61570.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 5103421 is about 2259.0752532840. The cubic root of 5103421 is about 172.1685408521.

Adding to 5103421 its reverse (1243015), we get a palindrome (6346436).

The spelling of 5103421 in words is "five million, one hundred three thousand, four hundred twenty-one".