65006387 has 2 divisors, whose sum is σ = 65006388. Its totient is φ = 65006386.

The previous prime is 65006341. The next prime is 65006399. The reversal of 65006387 is 78360056.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65006387 - 2⁶ = 65006323 is a prime.

It is not a weakly prime, because it can be changed into another prime (65008387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32503193 + 32503194.

It is an arithmetic number, because the mean of its divisors is an integer number (32503194).

Almost surely, 2^65006387 is an apocalyptic number.

65006387 is a deficient number, since it is larger than the sum of its proper divisors (1).

65006387 is an equidigital number, since it uses as much as digits as its factorization.

65006387 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 35.

The square root of 65006387 is about 8062.6538434935. The cubic root of 65006387 is about 402.0857448509.

The spelling of 65006387 in words is "sixty-five million, six thousand, three hundred eighty-seven".