5320443104521 has 4 divisors (see below), whose sum is σ = 5320606175892. Its totient is φ = 5320280033152.

The previous prime is 5320443104503. The next prime is 5320443104563. The reversal of 5320443104521 is 1254013440235.

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 4399879612921 + 920563491600 = 2097589^2 + 959460^2 .

It is a cyclic number.

It is not a de Polignac number, because 5320443104521 - 2³¹ = 5318295620873 is a prime.

It is a super-2 number, since 2×5320443104521² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5320443104591) 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, 81486736 + ... + 81552001.

It is an arithmetic number, because the mean of its divisors is an integer number (1330151543973).

Almost surely, 2^{5320443104521} is an apocalyptic number.

It is an amenable number.

5320443104521 is a deficient number, since it is larger than the sum of its proper divisors (163071371).

5320443104521 is a wasteful number, since it uses less digits than its factorization.

5320443104521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163071370.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 5320443104521 its reverse (1254013440235), we get a palindrome (6574456544756).

The spelling of 5320443104521 in words is "five trillion, three hundred twenty billion, four hundred forty-three million, one hundred four thousand, five hundred twenty-one".