5223509 has 8 divisors (see below), whose sum is σ = 5431320. Its totient is φ = 5017600.

The previous prime is 5223503. The next prime is 5223557. The reversal of 5223509 is 9053225.

5223509 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2316484 + 2907025 = 1522^2 + 1705^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5223509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5223503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7829 + ... + 8469.

It is an arithmetic number, because the mean of its divisors is an integer number (678915).

Almost surely, 2^5223509 is an apocalyptic number.

It is an amenable number.

5223509 is a deficient number, since it is larger than the sum of its proper divisors (207811).

5223509 is a wasteful number, since it uses less digits than its factorization.

5223509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 5223509 is about 2285.4997265368. The cubic root of 5223509 is about 173.5085108510.

The spelling of 5223509 in words is "five million, two hundred twenty-three thousand, five hundred nine".