52086689 has 2 divisors, whose sum is σ = 52086690. Its totient is φ = 52086688.

The previous prime is 52086679. The next prime is 52086719. The reversal of 52086689 is 98668025.

It is a happy number.

52086689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52085089 + 1600 = 7217^2 + 40^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52086689 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (52086649) 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, 26043344 + 26043345.

It is an arithmetic number, because the mean of its divisors is an integer number (26043345).

Almost surely, 2^52086689 is an apocalyptic number.

It is an amenable number.

52086689 is a deficient number, since it is larger than the sum of its proper divisors (1).

52086689 is an equidigital number, since it uses as much as digits as its factorization.

52086689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 52086689 is about 7217.1108485321. The cubic root of 52086689 is about 373.4584156945.

The spelling of 52086689 in words is "fifty-two million, eighty-six thousand, six hundred eighty-nine".