5821232209 has 9 divisors (see below), whose sum is σ = 6304538673. Its totient is φ = 5372529552.

The previous prime is 5821232189. The next prime is 5821232231. The reversal of 5821232209 is 9022321285.

The square root of 5821232209 is 76297.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 3348358225 + 2472873984 = 57865^2 + 49728^2 .

It is not a de Polignac number, because 5821232209 - 2⁹ = 5821231697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5821232239) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 988927 + ... + 994795.

It is an arithmetic number, because the mean of its divisors is an integer number (700504297).

Almost surely, 2^5821232209 is an apocalyptic number.

5821232209 is the 76297-th square number.

5821232209 is the 38149-th centered octagonal number.

It is an amenable number.

5821232209 is a deficient number, since it is larger than the sum of its proper divisors (483306464).

5821232209 is an frugal number, since it uses more digits than its factorization.

5821232209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11764 (or 5882 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The cubic root of 5821232209 is about 1798.8915200856.

The spelling of 5821232209 in words is "five billion, eight hundred twenty-one million, two hundred thirty-two thousand, two hundred nine".