65680425 has 36 divisors (see below), whose sum is σ = 118211184. Its totient is φ = 34860000.

The previous prime is 65680423. The next prime is 65680427. The reversal of 65680425 is 52408656.

65680425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (65680423) and next prime (65680427).

It is not a de Polignac number, because 65680425 - 2¹ = 65680423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65680425.

It is not an unprimeable number, because it can be changed into a prime (65680421) 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 35 ways as a sum of consecutive naturals, for example, 55894 + ... + 57056.

It is an arithmetic number, because the mean of its divisors is an integer number (3283644).

Almost surely, 2^65680425 is an apocalyptic number.

It is an amenable number.

65680425 is a deficient number, since it is larger than the sum of its proper divisors (52530759).

65680425 is a wasteful number, since it uses less digits than its factorization.

65680425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430 (or 1422 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 65680425 is about 8104.3460562836. The cubic root of 65680425 is about 403.4706841975.

The spelling of 65680425 in words is "sixty-five million, six hundred eighty thousand, four hundred twenty-five".