2566065075 has 36 divisors (see below), whose sum is σ = 4935231000. Its totient is φ = 1173056640.

The previous prime is 2566065071. The next prime is 2566065091. The reversal of 2566065075 is 5705606652.

It is a happy number.

It is not a de Polignac number, because 2566065075 - 2² = 2566065071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2566065071) 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 in 35 ways as a sum of consecutive naturals, for example, 345450 + ... + 352799.

It is an arithmetic number, because the mean of its divisors is an integer number (137089750).

Almost surely, 2^2566065075 is an apocalyptic number.

2566065075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2566065075 is a deficient number, since it is larger than the sum of its proper divisors (2369165925).

2566065075 is a wasteful number, since it uses less digits than its factorization.

2566065075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698276 (or 698264 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 42.

The square root of 2566065075 is about 50656.3428901061. The cubic root of 2566065075 is about 1369.0602315917.

The spelling of 2566065075 in words is "two billion, five hundred sixty-six million, sixty-five thousand, seventy-five".