65386427 has 2 divisors, whose sum is σ = 65386428. Its totient is φ = 65386426.

The previous prime is 65386397. The next prime is 65386463. The reversal of 65386427 is 72468356.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65386427 - 2²⁰ = 64337851 is a prime.

It is a Chen prime.

It is equal to p_3861977 and since 65386427 and 3861977 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 (65386627) 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, 32693213 + 32693214.

It is an arithmetic number, because the mean of its divisors is an integer number (32693214).

Almost surely, 2^65386427 is an apocalyptic number.

65386427 is a deficient number, since it is larger than the sum of its proper divisors (1).

65386427 is an equidigital number, since it uses as much as digits as its factorization.

65386427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 41.

The square root of 65386427 is about 8086.1874205339. The cubic root of 65386427 is about 402.8677800418.

The spelling of 65386427 in words is "sixty-five million, three hundred eighty-six thousand, four hundred twenty-seven".