65825289 has 24 divisors (see below), whose sum is σ = 97211712. Its totient is φ = 42910560.

The previous prime is 65825269. The next prime is 65825299. The reversal of 65825289 is 98252856.

65825289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65825289 - 2⁹ = 65824777 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65825269) 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 23 ways as a sum of consecutive naturals, for example, 104004 + ... + 104634.

It is an arithmetic number, because the mean of its divisors is an integer number (4050488).

Almost surely, 2^65825289 is an apocalyptic number.

It is an amenable number.

65825289 is a deficient number, since it is larger than the sum of its proper divisors (31386423).

65825289 is a wasteful number, since it uses less digits than its factorization.

65825289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877 (or 874 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 65825289 is about 8113.2785604834. The cubic root of 65825289 is about 403.7670965037.

The spelling of 65825289 in words is "sixty-five million, eight hundred twenty-five thousand, two hundred eighty-nine".