10539909 has 8 divisors (see below), whose sum is σ = 15614720. Its totient is φ = 7026588.

The previous prime is 10539883. The next prime is 10539917. The reversal of 10539909 is 90993501.

It is not a de Polignac number, because 10539909 - 2⁵ = 10539877 is a prime.

It is a super-3 number, since 3×10539909³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10539929) 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, 195157 + ... + 195210.

It is an arithmetic number, because the mean of its divisors is an integer number (1951840).

Almost surely, 2^10539909 is an apocalyptic number.

It is an amenable number.

10539909 is a deficient number, since it is larger than the sum of its proper divisors (5074811).

10539909 is an equidigital number, since it uses as much as digits as its factorization.

10539909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390376 (or 390370 counting only the distinct ones).

The product of its (nonzero) digits is 10935, while the sum is 36.

The square root of 10539909 is about 3246.5226011842. The cubic root of 10539909 is about 219.2530383515.

The spelling of 10539909 in words is "ten million, five hundred thirty-nine thousand, nine hundred nine".