2005125266 has 32 divisors (see below), whose sum is σ = 3129710400. Its totient is φ = 962902080.

The previous prime is 2005125259. The next prime is 2005125301. The reversal of 2005125266 is 6625215002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1172420 + ... + 1174128.

It is an arithmetic number, because the mean of its divisors is an integer number (97803450).

Almost surely, 2^2005125266 is an apocalyptic number.

2005125266 is a deficient number, since it is larger than the sum of its proper divisors (1124585134).

2005125266 is a wasteful number, since it uses less digits than its factorization.

2005125266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2005125266 is about 44778.6251017157. The cubic root of 2005125266 is about 1260.9963702867.

The spelling of 2005125266 in words is "two billion, five million, one hundred twenty-five thousand, two hundred sixty-six".