5203421 has 8 divisors (see below), whose sum is σ = 5426400. Its totient is φ = 4984848.

The previous prime is 5203409. The next prime is 5203423. The reversal of 5203421 is 1243025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5203421 - 2⁶ = 5203357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5203421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5203423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1430 + ... + 3528.

It is an arithmetic number, because the mean of its divisors is an integer number (678300).

Almost surely, 2^5203421 is an apocalyptic number.

It is an amenable number.

5203421 is a deficient number, since it is larger than the sum of its proper divisors (222979).

5203421 is a wasteful number, since it uses less digits than its factorization.

5203421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 5203421 is about 2281.1008307394. The cubic root of 5203421 is about 173.2858050984.

Adding to 5203421 its reverse (1243025), we get a palindrome (6446446).

The spelling of 5203421 in words is "five million, two hundred three thousand, four hundred twenty-one".