10321397 has 8 divisors (see below), whose sum is σ = 11079576. Its totient is φ = 9580032.

The previous prime is 10321393. The next prime is 10321403. The reversal of 10321397 is 79312301.

It can be written as a sum of positive squares in 4 ways, for example, as 6345361 + 3976036 = 2519^2 + 1994^2 .

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 10321397 - 2² = 10321393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2918 + ... + 5399.

It is an arithmetic number, because the mean of its divisors is an integer number (1384947).

Almost surely, 2^10321397 is an apocalyptic number.

10321397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

10321397 is a deficient number, since it is larger than the sum of its proper divisors (758179).

10321397 is an equidigital number, since it uses as much as digits as its factorization.

10321397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8407.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 10321397 is about 3212.6931070365. The cubic root of 10321397 is about 217.7272702549.

Adding to 10321397 its reverse (79312301), we get a palindrome (89633698).

The spelling of 10321397 in words is "ten million, three hundred twenty-one thousand, three hundred ninety-seven".