5203530221 has 8 divisors (see below), whose sum is σ = 5521426560. Its totient is φ = 4886945728.

The previous prime is 5203530217. The next prime is 5203530253. The reversal of 5203530221 is 1220353025.

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 5203530221 - 2² = 5203530217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5203590221) 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, 319781 + ... + 335658.

It is an arithmetic number, because the mean of its divisors is an integer number (690178320).

Almost surely, 2^5203530221 is an apocalyptic number.

It is an amenable number.

5203530221 is a deficient number, since it is larger than the sum of its proper divisors (317896339).

5203530221 is a wasteful number, since it uses less digits than its factorization.

5203530221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655923.

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

The square root of 5203530221 is about 72135.4990348026. The cubic root of 5203530221 is about 1732.8701752618.

Adding to 5203530221 its reverse (1220353025), we get a palindrome (6423883246).

The spelling of 5203530221 in words is "five billion, two hundred three million, five hundred thirty thousand, two hundred twenty-one".