65000500 has 48 divisors (see below), whose sum is σ = 144039168. Its totient is φ = 25620000.

The previous prime is 65000473. The next prime is 65000549. The reversal of 65000500 is 500056.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34585 + ... + 36415.

It is an arithmetic number, because the mean of its divisors is an integer number (3000816).

Almost surely, 2^65000500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65000500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72019584).

65000500 is an abundant number, since it is smaller than the sum of its proper divisors (79038668).

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

65000500 is a wasteful number, since it uses less digits than its factorization.

65000500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921 (or 1909 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 65000500 is about 8062.2887569226. The cubic root of 65000500 is about 402.0736068116.

Adding to 65000500 its reverse (500056), we get a palindrome (65500556).

The spelling of 65000500 in words is "sixty-five million, five hundred", and thus it is an aban number.