5079809 has 4 divisors (see below), whose sum is σ = 5805504. Its totient is φ = 4354116.

The previous prime is 5079773. The next prime is 5079817. The reversal of 5079809 is 9089705.

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 a de Polignac number, because none of the positive numbers 2^k-5079809 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5079829) 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, 362837 + ... + 362850.

It is an arithmetic number, because the mean of its divisors is an integer number (1451376).

Almost surely, 2^5079809 is an apocalyptic number.

It is an amenable number.

5079809 is a deficient number, since it is larger than the sum of its proper divisors (725695).

5079809 is an equidigital number, since it uses as much as digits as its factorization.

5079809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725694.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 5079809 is about 2253.8431622453. The cubic root of 5079809 is about 171.9026062103.

The spelling of 5079809 in words is "five million, seventy-nine thousand, eight hundred nine".