10305205 has 4 divisors (see below), whose sum is σ = 12366252. Its totient is φ = 8244160.

The previous prime is 10305193. The next prime is 10305233. The reversal of 10305205 is 50250301.

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 6036849 + 4268356 = 2457^2 + 2066^2 .

It is not a de Polignac number, because 10305205 - 2¹¹ = 10303157 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1030516 + ... + 1030525.

It is an arithmetic number, because the mean of its divisors is an integer number (3091563).

Almost surely, 2^10305205 is an apocalyptic number.

It is an amenable number.

10305205 is a deficient number, since it is larger than the sum of its proper divisors (2061047).

10305205 is an equidigital number, since it uses as much as digits as its factorization.

10305205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061046.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 10305205 is about 3210.1721137659. The cubic root of 10305205 is about 217.6133552776.

Adding to 10305205 its reverse (50250301), we get a palindrome (60555506).

The spelling of 10305205 in words is "ten million, three hundred five thousand, two hundred five".