10409565 has 16 divisors (see below), whose sum is σ = 16822656. Its totient is φ = 5496000.

The previous prime is 10409563. The next prime is 10409573. The reversal of 10409565 is 56590401.

10409565 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10409565 - 2¹ = 10409563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10409561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1921 + ... + 4950.

It is an arithmetic number, because the mean of its divisors is an integer number (1051416).

Almost surely, 2^10409565 is an apocalyptic number.

10409565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10409565 is a deficient number, since it is larger than the sum of its proper divisors (6413091).

10409565 is a wasteful number, since it uses less digits than its factorization.

10409565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6980.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 10409565 is about 3226.3857487907. The cubic root of 10409565 is about 218.3454738829.

Adding to 10409565 its reverse (56590401), we get a palindrome (66999966).

The spelling of 10409565 in words is "ten million, four hundred nine thousand, five hundred sixty-five".