8281129 has 2 divisors, whose sum is σ = 8281130. Its totient is φ = 8281128.

The previous prime is 8281099. The next prime is 8281157. The reversal of 8281129 is 9211828.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4613904 + 3667225 = 2148^2 + 1915^2 .

It is a cyclic number.

It is not a de Polignac number, because 8281129 - 2¹³ = 8272937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8281129.

It is not a weakly prime, because it can be changed into another prime (8281199) 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, 4140564 + 4140565.

It is an arithmetic number, because the mean of its divisors is an integer number (4140565).

Almost surely, 2^8281129 is an apocalyptic number.

It is an amenable number.

8281129 is a deficient number, since it is larger than the sum of its proper divisors (1).

8281129 is an equidigital number, since it uses as much as digits as its factorization.

8281129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 31.

The square root of 8281129 is about 2877.6950846120. The cubic root of 8281129 is about 202.3158229874.

The spelling of 8281129 in words is "eight million, two hundred eighty-one thousand, one hundred twenty-nine".