65982937 has 2 divisors, whose sum is σ = 65982938. Its totient is φ = 65982936.

The previous prime is 65982919. The next prime is 65982979. The reversal of 65982937 is 73928956.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63536841 + 2446096 = 7971^2 + 1564^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65982937 is a prime.

It is not a weakly prime, because it can be changed into another prime (65982737) by changing a digit.

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 as a sum of consecutive naturals, namely, 32991468 + 32991469.

It is an arithmetic number, because the mean of its divisors is an integer number (32991469).

Almost surely, 2^65982937 is an apocalyptic number.

It is an amenable number.

65982937 is a deficient number, since it is larger than the sum of its proper divisors (1).

65982937 is an equidigital number, since it uses as much as digits as its factorization.

65982937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 49.

The square root of 65982937 is about 8122.9881816977. The cubic root of 65982937 is about 404.0891729603.

The spelling of 65982937 in words is "sixty-five million, nine hundred eighty-two thousand, nine hundred thirty-seven".