5309819 has 2 divisors, whose sum is σ = 5309820. Its totient is φ = 5309818.

The previous prime is 5309809. The next prime is 5309839. The reversal of 5309819 is 9189035.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5309819 - 2¹² = 5305723 is a prime.

It is a super-2 number, since 2×5309819² = 56388355625522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5309809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2654909 + 2654910.

It is an arithmetic number, because the mean of its divisors is an integer number (2654910).

Almost surely, 2^5309819 is an apocalyptic number.

5309819 is a deficient number, since it is larger than the sum of its proper divisors (1).

5309819 is an equidigital number, since it uses as much as digits as its factorization.

5309819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 5309819 is about 2304.3044503711. The cubic root of 5309819 is about 174.4589438801.

The spelling of 5309819 in words is "five million, three hundred nine thousand, eight hundred nineteen".