8575129841 has 2 divisors, whose sum is σ = 8575129842. Its totient is φ = 8575129840.

The previous prime is 8575129819. The next prime is 8575129891. The reversal of 8575129841 is 1489215758.

8575129841 = 65479² + 65480².

It is an a-pointer prime, because the next prime (8575129891) can be obtained adding 8575129841 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4287630400 + 4287499441 = 65480^2 + 65479^2 .

It is a cyclic number.

It is not a de Polignac number, because 8575129841 - 2³⁰ = 7501388017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8575129841.

It is not a weakly prime, because it can be changed into another prime (8575129891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4287564920 + 4287564921.

It is an arithmetic number, because the mean of its divisors is an integer number (4287564921).

Almost surely, 2^8575129841 is an apocalyptic number.

8575129841 is the 65480-th centered square number.

It is an amenable number.

8575129841 is a deficient number, since it is larger than the sum of its proper divisors (1).

8575129841 is an equidigital number, since it uses as much as digits as its factorization.

8575129841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 806400, while the sum is 50.

The square root of 8575129841 is about 92601.9969601088. The cubic root of 8575129841 is about 2046.8227475101.

The spelling of 8575129841 in words is "eight billion, five hundred seventy-five million, one hundred twenty-nine thousand, eight hundred forty-one".