5185509 has 8 divisors (see below), whose sum is σ = 7901760. Its totient is φ = 2963136.

The previous prime is 5185507. The next prime is 5185529. The reversal of 5185509 is 9055815.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5185509 - 2¹ = 5185507 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5185509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5185507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123444 + ... + 123485.

It is an arithmetic number, because the mean of its divisors is an integer number (987720).

Almost surely, 2^5185509 is an apocalyptic number.

It is an amenable number.

5185509 is a deficient number, since it is larger than the sum of its proper divisors (2716251).

5185509 is a wasteful number, since it uses less digits than its factorization.

5185509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246939.

The product of its (nonzero) digits is 9000, while the sum is 33.

The square root of 5185509 is about 2277.1712715560. The cubic root of 5185509 is about 173.0867396673.

The spelling of 5185509 in words is "five million, one hundred eighty-five thousand, five hundred nine".