5199709 has 4 divisors (see below), whose sum is σ = 5207104. Its totient is φ = 5192316.

The previous prime is 5199707. The next prime is 5199713. The reversal of 5199709 is 9079915.

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 5199709 - 2¹ = 5199707 is a prime.

It is a Duffinian number.

5199709 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5199703) 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, 2517 + ... + 4090.

It is an arithmetic number, because the mean of its divisors is an integer number (1301776).

Almost surely, 2^5199709 is an apocalyptic number.

It is an amenable number.

5199709 is a deficient number, since it is larger than the sum of its proper divisors (7395).

5199709 is an equidigital number, since it uses as much as digits as its factorization.

5199709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7394.

The product of its (nonzero) digits is 25515, while the sum is 40.

The square root of 5199709 is about 2280.2870433347. The cubic root of 5199709 is about 173.2445892697.

The spelling of 5199709 in words is "five million, one hundred ninety-nine thousand, seven hundred nine".