65314789 has 2 divisors, whose sum is σ = 65314790. Its totient is φ = 65314788.

The previous prime is 65314787. The next prime is 65314801. The reversal of 65314789 is 98741356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46104100 + 19210689 = 6790^2 + 4383^2 .

It is a cyclic number.

It is not a de Polignac number, because 65314789 - 2¹ = 65314787 is a prime.

It is a super-2 number, since 2×65314789² = 8532043324229042, which contains 22 as substring.

Together with 65314787, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65314783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32657394 + 32657395.

It is an arithmetic number, because the mean of its divisors is an integer number (32657395).

Almost surely, 2^65314789 is an apocalyptic number.

It is an amenable number.

65314789 is a deficient number, since it is larger than the sum of its proper divisors (1).

65314789 is an equidigital number, since it uses as much as digits as its factorization.

65314789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 43.

The square root of 65314789 is about 8081.7565541162. The cubic root of 65314789 is about 402.7205976689.

The spelling of 65314789 in words is "sixty-five million, three hundred fourteen thousand, seven hundred eighty-nine".