10321009 has 8 divisors (see below), whose sum is σ = 10916640. Its totient is φ = 9730656.

The previous prime is 10320983. The next prime is 10321021. The reversal of 10321009 is 90012301.

10321009 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 10321009 - 2¹¹ = 10318961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10320983 and 10321001.

It is not an unprimeable number, because it can be changed into a prime (10321049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3117 + ... + 5509.

It is an arithmetic number, because the mean of its divisors is an integer number (1364580).

Almost surely, 2^10321009 is an apocalyptic number.

10321009 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10321009 is a deficient number, since it is larger than the sum of its proper divisors (595631).

10321009 is a wasteful number, since it uses less digits than its factorization.

10321009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 10321009 is about 3212.6327209938. The cubic root of 10321009 is about 217.7245419666.

It can be divided in two parts, 103 and 21009, that added together give a palindrome (21112).

The spelling of 10321009 in words is "ten million, three hundred twenty-one thousand, nine".