8505269 has 2 divisors, whose sum is σ = 8505270. Its totient is φ = 8505268.

The previous prime is 8505257. The next prime is 8505283. The reversal of 8505269 is 9625058.

8505269 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., 7360369 + 1144900 = 2713^2 + 1070^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8505269 is a prime.

It is a super-2 number, since 2×8505269² = 144679201524722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8505209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4252634 + 4252635.

It is an arithmetic number, because the mean of its divisors is an integer number (4252635).

Almost surely, 2^8505269 is an apocalyptic number.

It is an amenable number.

8505269 is a deficient number, since it is larger than the sum of its proper divisors (1).

8505269 is an equidigital number, since it uses as much as digits as its factorization.

8505269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 8505269 is about 2916.3794334757. The cubic root of 8505269 is about 204.1249154850.

The spelling of 8505269 in words is "eight million, five hundred five thousand, two hundred sixty-nine".