65331432 has 96 divisors (see below), whose sum is σ = 186170400. Its totient is φ = 20668032.

The previous prime is 65331421. The next prime is 65331433. The reversal of 65331432 is 23413356.

It is a happy number.

65331432 is a `hidden beast` number, since 653 + 3 + 1 + 4 + 3 + 2 = 666.

65331432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 65331396 and 65331405.

It is not an unprimeable number, because it can be changed into a prime (65331433) 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 in 23 ways as a sum of consecutive naturals, for example, 139663 + ... + 140129.

It is an arithmetic number, because the mean of its divisors is an integer number (1939275).

Almost surely, 2^65331432 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 65331432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93085200).

65331432 is an abundant number, since it is smaller than the sum of its proper divisors (120838968).

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

65331432 is a wasteful number, since it uses less digits than its factorization.

65331432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 568 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 65331432 is about 8082.7861533013. The cubic root of 65331432 is about 402.7548007940.

Adding to 65331432 its reverse (23413356), we get a palindrome (88744788).

The spelling of 65331432 in words is "sixty-five million, three hundred thirty-one thousand, four hundred thirty-two".