65312432 has 10 divisors (see below), whose sum is σ = 126542868. Its totient is φ = 32656208.

The previous prime is 65312431. The next prime is 65312441. The reversal of 65312432 is 23421356.

65312432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (65312431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2040998 + ... + 2041029.

Almost surely, 2^65312432 is an apocalyptic number.

It is an amenable number.

65312432 is a deficient number, since it is larger than the sum of its proper divisors (61230436).

65312432 is a wasteful number, since it uses less digits than its factorization.

65312432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4082035 (or 4082029 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 65312432 is about 8081.6107305413. The cubic root of 65312432 is about 402.7157533150.

Adding to 65312432 its reverse (23421356), we get a palindrome (88733788).

The spelling of 65312432 in words is "sixty-five million, three hundred twelve thousand, four hundred thirty-two".