65030500 has 48 divisors (see below), whose sum is σ = 143829504. Its totient is φ = 25682400.

The previous prime is 65030489. The next prime is 65030501. The reversal of 65030500 is 503056.

It is not an unprimeable number, because it can be changed into a prime (65030501) 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, 40717 + ... + 42283.

It is an arithmetic number, because the mean of its divisors is an integer number (2996448).

Almost surely, 2^65030500 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 65030500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71914752).

65030500 is an abundant number, since it is smaller than the sum of its proper divisors (78799004).

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

65030500 is a wasteful number, since it uses less digits than its factorization.

65030500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669 (or 1657 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 65030500 is about 8064.1490561621. The cubic root of 65030500 is about 402.1354542998.

Adding to 65030500 its reverse (503056), we get a palindrome (65533556).

The spelling of 65030500 in words is "sixty-five million, thirty thousand, five hundred".