65003536 has 20 divisors (see below), whose sum is σ = 135632812. Its totient is φ = 30001536.

The previous prime is 65003473. The next prime is 65003551. The reversal of 65003536 is 63530056.

65003536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 44355600 + 20647936 = 6660^2 + 4544^2 .

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 3 ways as a sum of consecutive naturals, for example, 156051 + ... + 156466.

Almost surely, 2^65003536 is an apocalyptic number.

It is an amenable number.

65003536 is an abundant number, since it is smaller than the sum of its proper divisors (70629276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65003536 is a wasteful number, since it uses less digits than its factorization.

65003536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312538 (or 312532 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 65003536 is about 8062.4770387270. The cubic root of 65003536 is about 402.0798666427.

The spelling of 65003536 in words is "sixty-five million, three thousand, five hundred thirty-six".