65440337 has 2 divisors, whose sum is σ = 65440338. Its totient is φ = 65440336.

The previous prime is 65440321. The next prime is 65440343. The reversal of 65440337 is 73304456.

65440337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64577296 + 863041 = 8036^2 + 929^2 .

It is a cyclic number.

It is not a de Polignac number, because 65440337 - 2⁴ = 65440321 is a prime.

It is a Chen prime.

It is equal to p_3865019 and since 65440337 and 3865019 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (65440937) 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 as a sum of consecutive naturals, namely, 32720168 + 32720169.

It is an arithmetic number, because the mean of its divisors is an integer number (32720169).

Almost surely, 2^65440337 is an apocalyptic number.

It is an amenable number.

65440337 is a deficient number, since it is larger than the sum of its proper divisors (1).

65440337 is an equidigital number, since it uses as much as digits as its factorization.

65440337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 65440337 is about 8089.5201959078. The cubic root of 65440337 is about 402.9784688442.

The spelling of 65440337 in words is "sixty-five million, four hundred forty thousand, three hundred thirty-seven".