52003309 has 2 divisors, whose sum is σ = 52003310. Its totient is φ = 52003308.

The previous prime is 52003307. The next prime is 52003333. The reversal of 52003309 is 90330025.

52003309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35070084 + 16933225 = 5922^2 + 4115^2 .

It is a cyclic number.

It is not a de Polignac number, because 52003309 - 2¹ = 52003307 is a prime.

Together with 52003307, 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 52003309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52003307) 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 as a sum of consecutive naturals, namely, 26001654 + 26001655.

It is an arithmetic number, because the mean of its divisors is an integer number (26001655).

Almost surely, 2^52003309 is an apocalyptic number.

It is an amenable number.

52003309 is a deficient number, since it is larger than the sum of its proper divisors (1).

52003309 is an equidigital number, since it uses as much as digits as its factorization.

52003309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 52003309 is about 7211.3319851467. The cubic root of 52003309 is about 373.2590327442.

The spelling of 52003309 in words is "fifty-two million, three thousand, three hundred nine".