65287 has 2 divisors, whose sum is σ = 65288. Its totient is φ = 65286.

The previous prime is 65269. The next prime is 65293. The reversal of 65287 is 78256.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65287 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32643 + 32644.

It is an arithmetic number, because the mean of its divisors is an integer number (32644).

2⁶⁵²⁸⁷ is an apocalyptic number.

65287 is a deficient number, since it is larger than the sum of its proper divisors (1).

65287 is an equidigital number, since it uses as much as digits as its factorization.

65287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 28.

The square root of 65287 is about 255.5132090519. The cubic root of 65287 is about 40.2663475383.

The spelling of 65287 in words is "sixty-five thousand, two hundred eighty-seven".