65025644 has 12 divisors (see below), whose sum is σ = 115493784. Its totient is φ = 32027424.

The previous prime is 65025617. The next prime is 65025659. The reversal of 65025644 is 44652056.

65025644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×65025644² = 8456668755229472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65025644.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 121049 + ... + 121584.

It is an arithmetic number, because the mean of its divisors is an integer number (9624482).

Almost surely, 2^65025644 is an apocalyptic number.

It is an amenable number.

65025644 is a deficient number, since it is larger than the sum of its proper divisors (50468140).

65025644 is a wasteful number, since it uses less digits than its factorization.

65025644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242704 (or 242702 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 65025644 is about 8063.8479648366. The cubic root of 65025644 is about 402.1254445435.

The spelling of 65025644 in words is "sixty-five million, twenty-five thousand, six hundred forty-four".