65822425 has 12 divisors (see below), whose sum is σ = 83611836. Its totient is φ = 51372800.

The previous prime is 65822411. The next prime is 65822443. The reversal of 65822425 is 52422856.

It can be written as a sum of positive squares in 6 ways, for example, as 17547721 + 48274704 = 4189^2 + 6948^2 .

It is not a de Polignac number, because 65822425 - 2¹⁹ = 65298137 is a prime.

It is a Duffinian number.

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, 31084 + ... + 33133.

It is an arithmetic number, because the mean of its divisors is an integer number (6967653).

Almost surely, 2^65822425 is an apocalyptic number.

It is an amenable number.

65822425 is a deficient number, since it is larger than the sum of its proper divisors (17789411).

65822425 is a wasteful number, since it uses less digits than its factorization.

65822425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64268 (or 64263 counting only the distinct ones).

The product of its digits is 38400, while the sum is 34.

The square root of 65822425 is about 8113.1020577828. The cubic root of 65822425 is about 403.7612405693.

The spelling of 65822425 in words is "sixty-five million, eight hundred twenty-two thousand, four hundred twenty-five".