65504003 has 4 divisors (see below), whose sum is σ = 66179400. Its totient is φ = 64828608.

The previous prime is 65503993. The next prime is 65504017. The reversal of 65504003 is 30040556.

65504003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65504003 - 2⁶ = 65503939 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 65504003.

It is not an unprimeable number, because it can be changed into a prime (65504053) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 337553 + ... + 337746.

It is an arithmetic number, because the mean of its divisors is an integer number (16544850).

Almost surely, 2^65504003 is an apocalyptic number.

65504003 is a deficient number, since it is larger than the sum of its proper divisors (675397).

65504003 is an equidigital number, since it uses as much as digits as its factorization.

65504003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675396.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 65504003 is about 8093.4543305068. The cubic root of 65504003 is about 403.1091105489.

Adding to 65504003 its reverse (30040556), we get a palindrome (95544559).

The spelling of 65504003 in words is "sixty-five million, five hundred four thousand, three".