10321217 has 4 divisors (see below), whose sum is σ = 10572996. Its totient is φ = 10069440.

The previous prime is 10321211. The next prime is 10321229. The reversal of 10321217 is 71212301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 982081 + 9339136 = 991^2 + 3056^2 .

It is a cyclic number.

It is not a de Polignac number, because 10321217 - 2¹² = 10317121 is a prime.

It is a super-2 number, since 2×10321217² = 213055040722178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10321195 and 10321204.

It is not an unprimeable number, because it can be changed into a prime (10321211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125828 + ... + 125909.

It is an arithmetic number, because the mean of its divisors is an integer number (2643249).

Almost surely, 2^10321217 is an apocalyptic number.

It is an amenable number.

10321217 is a deficient number, since it is larger than the sum of its proper divisors (251779).

10321217 is an equidigital number, since it uses as much as digits as its factorization.

10321217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251778.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 10321217 is about 3212.6650930341. The cubic root of 10321217 is about 217.7260045626.

Adding to 10321217 its reverse (71212301), we get a palindrome (81533518).

The spelling of 10321217 in words is "ten million, three hundred twenty-one thousand, two hundred seventeen".