5203221 has 16 divisors (see below), whose sum is σ = 7345536. Its totient is φ = 3269376.

The previous prime is 5203213. The next prime is 5203243. The reversal of 5203221 is 1223025.

It is not a de Polignac number, because 5203221 - 2³ = 5203213 is a prime.

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 5203221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5203201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4521 + ... + 5553.

It is an arithmetic number, because the mean of its divisors is an integer number (459096).

Almost surely, 2^5203221 is an apocalyptic number.

It is an amenable number.

5203221 is a deficient number, since it is larger than the sum of its proper divisors (2142315).

5203221 is a wasteful number, since it uses less digits than its factorization.

5203221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 5203221 is about 2281.0569918351. The cubic root of 5203221 is about 173.2835849177.

Adding to 5203221 its reverse (1223025), we get a palindrome (6426246).

It can be divided in two parts, 520 and 3221, that added together give a triangular number (3741 = T₈₆).

The spelling of 5203221 in words is "five million, two hundred three thousand, two hundred twenty-one".