65003506533 has 32 divisors (see below), whose sum is σ = 110070809600. Its totient is φ = 37140823728.

The previous prime is 65003506531. The next prime is 65003506541. The reversal of 65003506533 is 33560530056.

It is not a de Polignac number, because 65003506533 - 2¹ = 65003506531 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65003506531) 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 31 ways as a sum of consecutive naturals, for example, 3082098 + ... + 3103116.

It is an arithmetic number, because the mean of its divisors is an integer number (3439712800).

Almost surely, 2^65003506533 is an apocalyptic number.

65003506533 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

65003506533 is a deficient number, since it is larger than the sum of its proper divisors (45067303067).

65003506533 is a wasteful number, since it uses less digits than its factorization.

65003506533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37398 (or 37392 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 36.

It can be divided in two parts, 65003 and 506533, that added together give a square (571536 = 756²).

The spelling of 65003506533 in words is "sixty-five billion, three million, five hundred six thousand, five hundred thirty-three".