10518909 has 8 divisors (see below), whose sum is σ = 14508960. Its totient is φ = 6770736.

The previous prime is 10518887. The next prime is 10518917. The reversal of 10518909 is 90981501.

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

It is not a de Polignac number, because 10518909 - 2⁵ = 10518877 is a prime.

It is a super-2 number, since 2×10518909² = 221294893100562, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 10518909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10518979) 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, 60367 + ... + 60540.

It is an arithmetic number, because the mean of its divisors is an integer number (1813620).

Almost surely, 2^10518909 is an apocalyptic number.

It is an amenable number.

10518909 is a deficient number, since it is larger than the sum of its proper divisors (3990051).

10518909 is a wasteful number, since it uses less digits than its factorization.

10518909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120939.

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 10518909 is about 3243.2867588297. The cubic root of 10518909 is about 219.1073263056.

The spelling of 10518909 in words is "ten million, five hundred eighteen thousand, nine hundred nine".