65325637 has 4 divisors (see below), whose sum is σ = 70350700. Its totient is φ = 60300576.

The previous prime is 65325619. The next prime is 65325641. The reversal of 65325637 is 73652356.

It is a happy number.

65325637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11874916 + 53450721 = 3446^2 + 7311^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65325637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65325596 and 65325605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65325607) 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 3 ways as a sum of consecutive naturals, for example, 2512512 + ... + 2512537.

It is an arithmetic number, because the mean of its divisors is an integer number (17587675).

Almost surely, 2^65325637 is an apocalyptic number.

It is an amenable number.

65325637 is a deficient number, since it is larger than the sum of its proper divisors (5025063).

65325637 is a wasteful number, since it uses less digits than its factorization.

65325637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5025062.

The product of its digits is 113400, while the sum is 37.

The square root of 65325637 is about 8082.4276674771. The cubic root of 65325637 is about 402.7428921154.

The spelling of 65325637 in words is "sixty-five million, three hundred twenty-five thousand, six hundred thirty-seven".