10321385 has 4 divisors (see below), whose sum is σ = 12385668. Its totient is φ = 8257104.

The previous prime is 10321349. The next prime is 10321391. The reversal of 10321385 is 58312301.

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 7722841 + 2598544 = 2779^2 + 1612^2 .

It is a cyclic number.

It is not a de Polignac number, because 10321385 - 2¹⁰ = 10320361 is a prime.

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 10321385.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1032134 + ... + 1032143.

It is an arithmetic number, because the mean of its divisors is an integer number (3096417).

Almost surely, 2^10321385 is an apocalyptic number.

It is an amenable number.

10321385 is a deficient number, since it is larger than the sum of its proper divisors (2064283).

10321385 is an equidigital number, since it uses as much as digits as its factorization.

10321385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064282.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 10321385 is about 3212.6912394440. The cubic root of 10321385 is about 217.7271858758.

Adding to 10321385 its reverse (58312301), we get a palindrome (68633686).

The spelling of 10321385 in words is "ten million, three hundred twenty-one thousand, three hundred eighty-five".