65038512 has 80 divisors (see below), whose sum is σ = 209486592. Its totient is φ = 16892160.

The previous prime is 65038507. The next prime is 65038513. The reversal of 65038512 is 21583056.

It is a self number, because there is not a number n which added to its sum of digits gives 65038512.

It is not an unprimeable number, because it can be changed into a prime (65038513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5103 + ... + 12494.

Almost surely, 2^65038512 is an apocalyptic number.

It is an amenable number.

65038512 is an abundant number, since it is smaller than the sum of its proper divisors (144448080).

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

65038512 is a wasteful number, since it uses less digits than its factorization.

65038512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17626 (or 17620 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 65038512 is about 8064.6458074735. The cubic root of 65038512 is about 402.1519684839.

The spelling of 65038512 in words is "sixty-five million, thirty-eight thousand, five hundred twelve".