5213315521 has 2 divisors, whose sum is σ = 5213315522. Its totient is φ = 5213315520.

The previous prime is 5213315519. The next prime is 5213315533. The reversal of 5213315521 is 1255133125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2638260496 + 2575055025 = 51364^2 + 50745^2 .

It is a cyclic number.

It is not a de Polignac number, because 5213315521 - 2¹ = 5213315519 is a prime.

Together with 5213315519, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 5213315521.

It is not a weakly prime, because it can be changed into another prime (5213315561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2606657760 + 2606657761.

It is an arithmetic number, because the mean of its divisors is an integer number (2606657761).

Almost surely, 2^5213315521 is an apocalyptic number.

It is an amenable number.

5213315521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5213315521 is an equidigital number, since it uses as much as digits as its factorization.

5213315521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4500, while the sum is 28.

The square root of 5213315521 is about 72203.2930066212. The cubic root of 5213315521 is about 1733.9557226905.

Adding to 5213315521 its reverse (1255133125), we get a palindrome (6468448646).

The spelling of 5213315521 in words is "five billion, two hundred thirteen million, three hundred fifteen thousand, five hundred twenty-one".