2566571087 has 2 divisors, whose sum is σ = 2566571088. Its totient is φ = 2566571086.

The previous prime is 2566571027. The next prime is 2566571093. The reversal of 2566571087 is 7801756652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2566571087 - 2⁶ = 2566571023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2566571027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1283285543 + 1283285544.

It is an arithmetic number, because the mean of its divisors is an integer number (1283285544).

Almost surely, 2^2566571087 is an apocalyptic number.

2566571087 is a deficient number, since it is larger than the sum of its proper divisors (1).

2566571087 is an equidigital number, since it uses as much as digits as its factorization.

2566571087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 705600, while the sum is 47.

The square root of 2566571087 is about 50661.3372010649. The cubic root of 2566571087 is about 1369.1502157184.

The spelling of 2566571087 in words is "two billion, five hundred sixty-six million, five hundred seventy-one thousand, eighty-seven".