10243205 has 12 divisors (see below), whose sum is σ = 14299020. Its totient is φ = 7023744.

The previous prime is 10243201. The next prime is 10243213. The reversal of 10243205 is 50234201.

It can be written as a sum of positive squares in 2 ways, for example, as 3389281 + 6853924 = 1841^2 + 2618^2 .

It is not a de Polignac number, because 10243205 - 2² = 10243201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10243201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20660 + ... + 21149.

It is an arithmetic number, because the mean of its divisors is an integer number (1191585).

Almost surely, 2^10243205 is an apocalyptic number.

It is an amenable number.

10243205 is a deficient number, since it is larger than the sum of its proper divisors (4055815).

10243205 is an equidigital number, since it uses as much as digits as its factorization.

10243205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41828 (or 41821 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 10243205 is about 3200.5007420715. The cubic root of 10243205 is about 217.1760624552.

Adding to 10243205 its reverse (50234201), we get a palindrome (60477406).

It can be divided in two parts, 1024320 and 5, that multiplied together give a triangular number (5121600 = T₃₂₀₀).

The spelling of 10243205 in words is "ten million, two hundred forty-three thousand, two hundred five".