10003265 has 4 divisors (see below), whose sum is σ = 12003924. Its totient is φ = 8002608.

The previous prime is 10003247. The next prime is 10003277. The reversal of 10003265 is 56230001.

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 5513104 + 4490161 = 2348^2 + 2119^2 .

It is a cyclic number.

It is not a de Polignac number, because 10003265 - 2¹⁴ = 9986881 is a prime.

It is a Duffinian number.

It is a Curzon 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, 1000322 + ... + 1000331.

It is an arithmetic number, because the mean of its divisors is an integer number (3000981).

Almost surely, 2^10003265 is an apocalyptic number.

It is an amenable number.

10003265 is a deficient number, since it is larger than the sum of its proper divisors (2000659).

10003265 is an equidigital number, since it uses as much as digits as its factorization.

10003265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000658.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 10003265 is about 3162.7938598650. The cubic root of 10003265 is about 215.4669138827.

Adding to 10003265 its reverse (56230001), we get a palindrome (66233266).

The spelling of 10003265 in words is "ten million, three thousand, two hundred sixty-five".