10345321 has 6 divisors (see below), whose sum is σ = 12034410. Its totient is φ = 8867376.

The previous prime is 10345319. The next prime is 10345337. The reversal of 10345321 is 12354301.

It can be written as a sum of positive squares in only one way, i.e., 9272025 + 1073296 = 3045^2 + 1036^2 .

It is not a de Polignac number, because 10345321 - 2¹ = 10345319 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (10345381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105516 + ... + 105613.

It is an arithmetic number, because the mean of its divisors is an integer number (2005735).

Almost surely, 2^10345321 is an apocalyptic number.

It is an amenable number.

10345321 is a deficient number, since it is larger than the sum of its proper divisors (1689089).

10345321 is an equidigital number, since it uses as much as digits as its factorization.

10345321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211143 (or 211136 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 10345321 is about 3216.4143078901. The cubic root of 10345321 is about 217.8953640315.

Adding to 10345321 its reverse (12354301), we get a palindrome (22699622).

The spelling of 10345321 in words is "ten million, three hundred forty-five thousand, three hundred twenty-one".