5079209 has 4 divisors (see below), whose sum is σ = 5378004. Its totient is φ = 4780416.

The previous prime is 5079197. The next prime is 5079223. The reversal of 5079209 is 9029705.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9029705 = 5 ⋅1805941.

It can be written as a sum of positive squares in 2 ways, for example, as 1373584 + 3705625 = 1172^2 + 1925^2 .

It is a cyclic number.

It is not a de Polignac number, because 5079209 - 2¹² = 5075113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5079259) 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, 149372 + ... + 149405.

It is an arithmetic number, because the mean of its divisors is an integer number (1344501).

Almost surely, 2^5079209 is an apocalyptic number.

It is an amenable number.

5079209 is a deficient number, since it is larger than the sum of its proper divisors (298795).

5079209 is a wasteful number, since it uses less digits than its factorization.

5079209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298794.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 5079209 is about 2253.7100523359. The cubic root of 5079209 is about 171.8958378702.

The spelling of 5079209 in words is "five million, seventy-nine thousand, two hundred nine".