5321521021033 has 12 divisors (see below), whose sum is σ = 6190432333140. Its totient is φ = 4561236271872.

The previous prime is 5321521021007. The next prime is 5321521021129. The reversal of 5321521021033 is 3301201251235.

It can be written as a sum of positive squares in 2 ways, for example, as 1463741861904 + 3857779159129 = 1209852^2 + 1964123^2 .

It is not a de Polignac number, because 5321521021033 - 2¹⁷ = 5321520889961 is a prime.

It is a super-2 number, since 2×5321521021033² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5321521020992 and 5321521021010.

It is not an unprimeable number, because it can be changed into a prime (5321521021633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2697985 + ... + 4233457.

It is an arithmetic number, because the mean of its divisors is an integer number (515869361095).

Almost surely, 2^{5321521021033} is an apocalyptic number.

It is an amenable number.

5321521021033 is a deficient number, since it is larger than the sum of its proper divisors (868911312107).

5321521021033 is a wasteful number, since it uses less digits than its factorization.

5321521021033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606216 (or 1606209 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 5321521021033 its reverse (3301201251235), we get a palindrome (8622722272268).

The spelling of 5321521021033 in words is "five trillion, three hundred twenty-one billion, five hundred twenty-one million, twenty-one thousand, thirty-three".