8535689 has 2 divisors, whose sum is σ = 8535690. Its totient is φ = 8535688.

The previous prime is 8535677. The next prime is 8535701. The reversal of 8535689 is 9865358.

It is a balanced prime because it is at equal distance from previous prime (8535677) and next prime (8535701).

It can be written as a sum of positive squares in only one way, i.e., 6210064 + 2325625 = 2492^2 + 1525^2 .

It is a cyclic number.

It is not a de Polignac number, because 8535689 - 2⁴ = 8535673 is a prime.

It is not a weakly prime, because it can be changed into another prime (8535089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4267844 + 4267845.

It is an arithmetic number, because the mean of its divisors is an integer number (4267845).

Almost surely, 2^8535689 is an apocalyptic number.

It is an amenable number.

8535689 is a deficient number, since it is larger than the sum of its proper divisors (1).

8535689 is an equidigital number, since it uses as much as digits as its factorization.

8535689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 44.

The square root of 8535689 is about 2921.5901492167. The cubic root of 8535689 is about 204.3679840914.

The spelling of 8535689 in words is "eight million, five hundred thirty-five thousand, six hundred eighty-nine".