10909321 has 4 divisors (see below), whose sum is σ = 11175444. Its totient is φ = 10643200.

The previous prime is 10909309. The next prime is 10909357. The reversal of 10909321 is 12390901.

10909321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12390901 = 2459 ⋅5039.

It can be written as a sum of positive squares in 2 ways, for example, as 739600 + 10169721 = 860^2 + 3189^2 .

It is a cyclic number.

It is not a de Polignac number, because 10909321 - 2⁵ = 10909289 is a prime.

It is a super-4 number, since 4×10909321⁴ (a number of 29 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10909621) 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, 133000 + ... + 133081.

It is an arithmetic number, because the mean of its divisors is an integer number (2793861).

Almost surely, 2^10909321 is an apocalyptic number.

It is an amenable number.

10909321 is a deficient number, since it is larger than the sum of its proper divisors (266123).

10909321 is an equidigital number, since it uses as much as digits as its factorization.

10909321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266122.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 10909321 is about 3302.9261269365. The cubic root of 10909321 is about 221.7852060374.

The spelling of 10909321 in words is "ten million, nine hundred nine thousand, three hundred twenty-one".