10321609 has 4 divisors (see below), whose sum is σ = 10350720. Its totient is φ = 10292500.

The previous prime is 10321607. The next prime is 10321639. The reversal of 10321609 is 90612301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10321609 - 2¹ = 10321607 is a prime.

It is a super-2 number, since 2×10321609² = 213071224697762, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10321609.

It is not an unprimeable number, because it can be changed into a prime (10321607) 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, 14017 + ... + 14734.

It is an arithmetic number, because the mean of its divisors is an integer number (2587680).

Almost surely, 2^10321609 is an apocalyptic number.

It is an amenable number.

10321609 is a deficient number, since it is larger than the sum of its proper divisors (29111).

10321609 is an equidigital number, since it uses as much as digits as its factorization.

10321609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29110.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 10321609 is about 3212.7261009927. The cubic root of 10321609 is about 217.7287609402.

It can be divided in two parts, 103 and 21609, that added together give a palindrome (21712).

The spelling of 10321609 in words is "ten million, three hundred twenty-one thousand, six hundred nine".