8528260109 has 2 divisors, whose sum is σ = 8528260110. Its totient is φ = 8528260108.

The previous prime is 8528260099. The next prime is 8528260141. The reversal of 8528260109 is 9010628258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8363651209 + 164608900 = 91453^2 + 12830^2 .

It is a cyclic number.

It is not a de Polignac number, because 8528260109 - 2⁸ = 8528259853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8528260159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4264130054 + 4264130055.

It is an arithmetic number, because the mean of its divisors is an integer number (4264130055).

Almost surely, 2^8528260109 is an apocalyptic number.

It is an amenable number.

8528260109 is a deficient number, since it is larger than the sum of its proper divisors (1).

8528260109 is an equidigital number, since it uses as much as digits as its factorization.

8528260109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 8528260109 is about 92348.5793556133. The cubic root of 8528260109 is about 2043.0867748888.

The spelling of 8528260109 in words is "eight billion, five hundred twenty-eight million, two hundred sixty thousand, one hundred nine".