8252209 has 4 divisors (see below), whose sum is σ = 9431104. Its totient is φ = 7073316.

The previous prime is 8252203. The next prime is 8252219. The reversal of 8252209 is 9022528.

8252209 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8252209 - 2¹⁹ = 7727921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8252203) 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, 589437 + ... + 589450.

It is an arithmetic number, because the mean of its divisors is an integer number (2357776).

Almost surely, 2^8252209 is an apocalyptic number.

It is an amenable number.

8252209 is a deficient number, since it is larger than the sum of its proper divisors (1178895).

8252209 is a wasteful number, since it uses less digits than its factorization.

8252209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178894.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 8252209 is about 2872.6658350738. The cubic root of 8252209 is about 202.0800339656.

The spelling of 8252209 in words is "eight million, two hundred fifty-two thousand, two hundred nine".