10259809 has 8 divisors (see below), whose sum is σ = 11874560. Its totient is φ = 8682336.

The previous prime is 10259807. The next prime is 10259813. The reversal of 10259809 is 90895201.

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

It is a cyclic number.

It is not a de Polignac number, because 10259809 - 2¹ = 10259807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10259807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8724 + ... + 9829.

It is an arithmetic number, because the mean of its divisors is an integer number (1484320).

Almost surely, 2^10259809 is an apocalyptic number.

It is an amenable number.

10259809 is a deficient number, since it is larger than the sum of its proper divisors (1614751).

10259809 is an equidigital number, since it uses as much as digits as its factorization.

10259809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18639.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 10259809 is about 3203.0936608223. The cubic root of 10259809 is about 217.2933449100.

The spelling of 10259809 in words is "ten million, two hundred fifty-nine thousand, eight hundred nine".