5243075221 has 8 divisors (see below), whose sum is σ = 5294178144. Its totient is φ = 5192011440.

The previous prime is 5243075219. The next prime is 5243075317. The reversal of 5243075221 is 1225703425.

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 5243075221 - 2¹ = 5243075219 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 (5243075021) 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, 309651 + ... + 326143.

It is an arithmetic number, because the mean of its divisors is an integer number (661772268).

Almost surely, 2^5243075221 is an apocalyptic number.

It is an amenable number.

5243075221 is a deficient number, since it is larger than the sum of its proper divisors (51102923).

5243075221 is a wasteful number, since it uses less digits than its factorization.

5243075221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19571.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 5243075221 is about 72409.0824482675. The cubic root of 5243075221 is about 1737.2488365000.

Adding to 5243075221 its reverse (1225703425), we get a palindrome (6468778646).

The spelling of 5243075221 in words is "five billion, two hundred forty-three million, seventy-five thousand, two hundred twenty-one".