5203350221 has 4 divisors (see below), whose sum is σ = 5330261244. Its totient is φ = 5076439200.

The previous prime is 5203350197. The next prime is 5203350227. The reversal of 5203350221 is 1220533025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 360582121 + 4842768100 = 18989^2 + 69590^2 .

It is a cyclic number.

It is not a de Polignac number, because 5203350221 - 2¹⁰ = 5203349197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5203350227) 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, 63455450 + ... + 63455531.

It is an arithmetic number, because the mean of its divisors is an integer number (1332565311).

Almost surely, 2^5203350221 is an apocalyptic number.

It is an amenable number.

5203350221 is a deficient number, since it is larger than the sum of its proper divisors (126911023).

5203350221 is a wasteful number, since it uses less digits than its factorization.

5203350221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126911022.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 5203350221 is about 72134.2513720077. The cubic root of 5203350221 is about 1732.8501939405.

Adding to 5203350221 its reverse (1220533025), we get a palindrome (6423883246).

The spelling of 5203350221 in words is "five billion, two hundred three million, three hundred fifty thousand, two hundred twenty-one".