65085287 has 2 divisors, whose sum is σ = 65085288. Its totient is φ = 65085286.

The previous prime is 65085281. The next prime is 65085289. The reversal of 65085287 is 78258056.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65085287 - 2¹⁰ = 65084263 is a prime.

Together with 65085289, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65085281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32542643 + 32542644.

It is an arithmetic number, because the mean of its divisors is an integer number (32542644).

Almost surely, 2^65085287 is an apocalyptic number.

65085287 is a deficient number, since it is larger than the sum of its proper divisors (1).

65085287 is an equidigital number, since it uses as much as digits as its factorization.

65085287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 65085287 is about 8067.5452896157. The cubic root of 65085287 is about 402.2483531749.

The spelling of 65085287 in words is "sixty-five million, eighty-five thousand, two hundred eighty-seven".