10409305 has 4 divisors (see below), whose sum is σ = 12491172. Its totient is φ = 8327440.

The previous prime is 10409303. The next prime is 10409339. The reversal of 10409305 is 50390401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50390401 = 23 ⋅2190887.

It can be written as a sum of positive squares in 2 ways, for example, as 3370896 + 7038409 = 1836^2 + 2653^2 .

It is not a de Polignac number, because 10409305 - 2¹ = 10409303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10409303) 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, 1040926 + ... + 1040935.

It is an arithmetic number, because the mean of its divisors is an integer number (3122793).

Almost surely, 2^10409305 is an apocalyptic number.

It is an amenable number.

10409305 is a deficient number, since it is larger than the sum of its proper divisors (2081867).

10409305 is an equidigital number, since it uses as much as digits as its factorization.

10409305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081866.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 10409305 is about 3226.3454557750. The cubic root of 10409305 is about 218.3436559940.

Adding to 10409305 its reverse (50390401), we get a palindrome (60799706).

The spelling of 10409305 in words is "ten million, four hundred nine thousand, three hundred five".