65232620 has 12 divisors (see below), whose sum is σ = 136988544. Its totient is φ = 26093040.

The previous prime is 65232619. The next prime is 65232631. The reversal of 65232620 is 2623256.

It is a self number, because there is not a number n which added to its sum of digits gives 65232620.

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, 1630796 + ... + 1630835.

It is an arithmetic number, because the mean of its divisors is an integer number (11415712).

Almost surely, 2^65232620 is an apocalyptic number.

It is an amenable number.

65232620 is an abundant number, since it is smaller than the sum of its proper divisors (71755924).

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

65232620 is a wasteful number, since it uses less digits than its factorization.

65232620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3261640 (or 3261638 counting only the distinct ones).

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

The square root of 65232620 is about 8076.6713440625. The cubic root of 65232620 is about 402.5516464725.

Adding to 65232620 its reverse (2623256), we get a palindrome (67855876).

The spelling of 65232620 in words is "sixty-five million, two hundred thirty-two thousand, six hundred twenty".