65522689 has 2 divisors, whose sum is σ = 65522690. Its totient is φ = 65522688.

The previous prime is 65522603. The next prime is 65522731. The reversal of 65522689 is 98622556.

65522689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44289025 + 21233664 = 6655^2 + 4608^2 .

It is a cyclic number.

It is not a de Polignac number, because 65522689 - 2¹¹ = 65520641 is a prime.

It is not a weakly prime, because it can be changed into another prime (65522489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32761344 + 32761345.

It is an arithmetic number, because the mean of its divisors is an integer number (32761345).

Almost surely, 2^65522689 is an apocalyptic number.

It is an amenable number.

65522689 is a deficient number, since it is larger than the sum of its proper divisors (1).

65522689 is an equidigital number, since it uses as much as digits as its factorization.

65522689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 43.

The square root of 65522689 is about 8094.6086378527. The cubic root of 65522689 is about 403.1474378793.

The spelling of 65522689 in words is "sixty-five million, five hundred twenty-two thousand, six hundred eighty-nine".