65513332 has 12 divisors (see below), whose sum is σ = 115663716. Its totient is φ = 32466560.

The previous prime is 65513321. The next prime is 65513369. The reversal of 65513332 is 23331556.

It can be written as a sum of positive squares in 2 ways, for example, as 3481956 + 62031376 = 1866^2 + 7876^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 65513332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72019 + ... + 72922.

It is an arithmetic number, because the mean of its divisors is an integer number (9638643).

Almost surely, 2^65513332 is an apocalyptic number.

It is an amenable number.

65513332 is a deficient number, since it is larger than the sum of its proper divisors (50150384).

65513332 is a wasteful number, since it uses less digits than its factorization.

65513332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145058 (or 145056 counting only the distinct ones).

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

The square root of 65513332 is about 8094.0306399222. The cubic root of 65513332 is about 403.1282464094.

Adding to 65513332 its reverse (23331556), we get a palindrome (88844888).

The spelling of 65513332 in words is "sixty-five million, five hundred thirteen thousand, three hundred thirty-two".