5168009 has 16 divisors (see below), whose sum is σ = 6604416. Its totient is φ = 3926400.

The previous prime is 5167991. The next prime is 5168021. The reversal of 5168009 is 9008615.

It is a cyclic number.

It is not a de Polignac number, because 5168009 - 2¹⁶ = 5102473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5168089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2339 + ... + 3975.

It is an arithmetic number, because the mean of its divisors is an integer number (412776).

Almost surely, 2^5168009 is an apocalyptic number.

It is an amenable number.

5168009 is a deficient number, since it is larger than the sum of its proper divisors (1436407).

5168009 is a wasteful number, since it uses less digits than its factorization.

5168009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 5168009 is about 2273.3255376210. The cubic root of 5168009 is about 172.8918097977.

Subtracting 5168009 from its reverse (9008615), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 5168009 in words is "five million, one hundred sixty-eight thousand, nine".