65330137 has 2 divisors, whose sum is σ = 65330138. Its totient is φ = 65330136.

The previous prime is 65330117. The next prime is 65330149. The reversal of 65330137 is 73103356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43837641 + 21492496 = 6621^2 + 4636^2 .

It is a cyclic number.

It is not a de Polignac number, because 65330137 - 2⁷ = 65330009 is a prime.

It is not a weakly prime, because it can be changed into another prime (65330107) 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, 32665068 + 32665069.

It is an arithmetic number, because the mean of its divisors is an integer number (32665069).

Almost surely, 2^65330137 is an apocalyptic number.

It is an amenable number.

65330137 is a deficient number, since it is larger than the sum of its proper divisors (1).

65330137 is an equidigital number, since it uses as much as digits as its factorization.

65330137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 28.

The square root of 65330137 is about 8082.7060443888. The cubic root of 65330137 is about 402.7521396405.

The spelling of 65330137 in words is "sixty-five million, three hundred thirty thousand, one hundred thirty-seven".