65303532 has 144 divisors (see below), whose sum is σ = 207567360. Its totient is φ = 16879104.

The previous prime is 65303531. The next prime is 65303591. The reversal of 65303532 is 23530356.

65303532 is a `hidden beast` number, since 653 + 0 + 3 + 5 + 3 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 65303496 and 65303505.

It is not an unprimeable number, because it can be changed into a prime (65303531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109828 + ... + 110420.

It is an arithmetic number, because the mean of its divisors is an integer number (1441440).

Almost surely, 2^65303532 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 65303532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103783680).

65303532 is an abundant number, since it is smaller than the sum of its proper divisors (142263828).

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

65303532 is a wasteful number, since it uses less digits than its factorization.

65303532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 65303532 is about 8081.0600789748. The cubic root of 65303532 is about 402.6974600492.

Adding to 65303532 its reverse (23530356), we get a palindrome (88833888).

The spelling of 65303532 in words is "sixty-five million, three hundred three thousand, five hundred thirty-two".