65683375 has 8 divisors (see below), whose sum is σ = 81973008. Its totient is φ = 52546600.

The previous prime is 65683369. The next prime is 65683379. The reversal of 65683375 is 57338656.

It is not a de Polignac number, because 65683375 - 2³ = 65683367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65683379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262609 + ... + 262858.

It is an arithmetic number, because the mean of its divisors is an integer number (10246626).

Almost surely, 2^65683375 is an apocalyptic number.

65683375 is a deficient number, since it is larger than the sum of its proper divisors (16289633).

65683375 is an equidigital number, since it uses as much as digits as its factorization.

65683375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525482 (or 525472 counting only the distinct ones).

The product of its digits is 453600, while the sum is 43.

The square root of 65683375 is about 8104.5280553528. The cubic root of 65683375 is about 403.4767246614.

The spelling of 65683375 in words is "sixty-five million, six hundred eighty-three thousand, three hundred seventy-five".