65003875 has 8 divisors (see below), whose sum is σ = 81124992. Its totient is φ = 52003000.

The previous prime is 65003849. The next prime is 65003879. The reversal of 65003875 is 57830056.

It is a happy number.

It is not a de Polignac number, because 65003875 - 2⁵ = 65003843 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 65003875.

It is not an unprimeable number, because it can be changed into a prime (65003879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259891 + ... + 260140.

It is an arithmetic number, because the mean of its divisors is an integer number (10140624).

Almost surely, 2^65003875 is an apocalyptic number.

65003875 is a deficient number, since it is larger than the sum of its proper divisors (16121117).

65003875 is an equidigital number, since it uses as much as digits as its factorization.

65003875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520046 (or 520036 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 65003875 is about 8062.4980620153. The cubic root of 65003875 is about 402.0805656039.

The spelling of 65003875 in words is "sixty-five million, three thousand, eight hundred seventy-five".