10003775 has 6 divisors (see below), whose sum is σ = 12404712. Its totient is φ = 8003000.

The previous prime is 10003759. The next prime is 10003783. The reversal of 10003775 is 57730001.

It is a happy number.

10003775 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10003775 - 2⁴ = 10003759 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 10003775.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 200051 + ... + 200100.

It is an arithmetic number, because the mean of its divisors is an integer number (2067452).

Almost surely, 2^10003775 is an apocalyptic number.

10003775 is a deficient number, since it is larger than the sum of its proper divisors (2400937).

10003775 is an equidigital number, since it uses as much as digits as its factorization.

10003775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400161 (or 400156 counting only the distinct ones).

The product of its (nonzero) digits is 735, while the sum is 23.

The square root of 10003775 is about 3162.8744837568. The cubic root of 10003775 is about 215.4705755624.

Adding to 10003775 its reverse (57730001), we get a palindrome (67733776).

The spelling of 10003775 in words is "ten million, three thousand, seven hundred seventy-five".