10243225 has 6 divisors (see below), whose sum is σ = 12701630. Its totient is φ = 8194560.

The previous prime is 10243213. The next prime is 10243229. The reversal of 10243225 is 52234201.

It can be written as a sum of positive squares in 3 ways, for example, as 824464 + 9418761 = 908^2 + 3069^2 .

It is not a de Polignac number, because 10243225 - 2⁵ = 10243193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10243229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 204840 + ... + 204889.

Almost surely, 2^10243225 is an apocalyptic number.

It is an amenable number.

10243225 is a deficient number, since it is larger than the sum of its proper divisors (2458405).

10243225 is an equidigital number, since it uses as much as digits as its factorization.

10243225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409739 (or 409734 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 10243225 is about 3200.5038665810. The cubic root of 10243225 is about 217.1762038015.

Adding to 10243225 its reverse (52234201), we get a palindrome (62477426).

The spelling of 10243225 in words is "ten million, two hundred forty-three thousand, two hundred twenty-five".