5219309 has 2 divisors, whose sum is σ = 5219310. Its totient is φ = 5219308.

The previous prime is 5219287. The next prime is 5219327. The reversal of 5219309 is 9039125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3694084 + 1525225 = 1922^2 + 1235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5219309 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5219339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2609654 + 2609655.

It is an arithmetic number, because the mean of its divisors is an integer number (2609655).

Almost surely, 2^5219309 is an apocalyptic number.

It is an amenable number.

5219309 is a deficient number, since it is larger than the sum of its proper divisors (1).

5219309 is an equidigital number, since it uses as much as digits as its factorization.

5219309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 5219309 is about 2284.5807055125. The cubic root of 5219309 is about 173.4619947927.

The spelling of 5219309 in words is "five million, two hundred nineteen thousand, three hundred nine".