5321550209 has 2 divisors, whose sum is σ = 5321550210. Its totient is φ = 5321550208.

The previous prime is 5321550203. The next prime is 5321550233. The reversal of 5321550209 is 9020551235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3678058609 + 1643491600 = 60647^2 + 40540^2 .

It is a cyclic number.

It is not a de Polignac number, because 5321550209 - 2¹⁶ = 5321484673 is a prime.

It is not a weakly prime, because it can be changed into another prime (5321550203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2660775104 + 2660775105.

It is an arithmetic number, because the mean of its divisors is an integer number (2660775105).

Almost surely, 2^5321550209 is an apocalyptic number.

It is an amenable number.

5321550209 is a deficient number, since it is larger than the sum of its proper divisors (1).

5321550209 is an equidigital number, since it uses as much as digits as its factorization.

5321550209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 5321550209 is about 72948.9561885569. The cubic root of 5321550209 is about 1745.8732923283.

The spelling of 5321550209 in words is "five billion, three hundred twenty-one million, five hundred fifty thousand, two hundred nine".