8275571261 has 2 divisors, whose sum is σ = 8275571262. Its totient is φ = 8275571260.

The previous prime is 8275571237. The next prime is 8275571329. The reversal of 8275571261 is 1621755728.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5714604025 + 2560967236 = 75595^2 + 50606^2 .

It is a cyclic number.

It is not a de Polignac number, because 8275571261 - 2¹⁸ = 8275309117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8275573261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4137785630 + 4137785631.

It is an arithmetic number, because the mean of its divisors is an integer number (4137785631).

Almost surely, 2^8275571261 is an apocalyptic number.

It is an amenable number.

8275571261 is a deficient number, since it is larger than the sum of its proper divisors (1).

8275571261 is an equidigital number, since it uses as much as digits as its factorization.

8275571261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 235200, while the sum is 44.

The square root of 8275571261 is about 90970.1668735416. The cubic root of 8275571261 is about 2022.7055258295.

The spelling of 8275571261 in words is "eight billion, two hundred seventy-five million, five hundred seventy-one thousand, two hundred sixty-one".