65238650 has 24 divisors (see below), whose sum is σ = 121908864. Its totient is φ = 25974000.

The previous prime is 65238623. The next prime is 65238671. The reversal of 65238650 is 5683256.

It is a self number, because there is not a number n which added to its sum of digits gives 65238650.

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 11 ways as a sum of consecutive naturals, for example, 8225 + ... + 14075.

It is an arithmetic number, because the mean of its divisors is an integer number (5079536).

Almost surely, 2^65238650 is an apocalyptic number.

65238650 is a deficient number, since it is larger than the sum of its proper divisors (56670214).

65238650 is a wasteful number, since it uses less digits than its factorization.

65238650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6086 (or 6081 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 65238650 is about 8077.0446327849. The cubic root of 65238650 is about 402.5640498358.

The spelling of 65238650 in words is "sixty-five million, two hundred thirty-eight thousand, six hundred fifty".