2512804866 has 32 divisors (see below), whose sum is σ = 5904214848. Its totient is φ = 702882240.

The previous prime is 2512804849. The next prime is 2512804871. The reversal of 2512804866 is 6684082152.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1463481 + ... + 1465196.

It is an arithmetic number, because the mean of its divisors is an integer number (184506714).

Almost surely, 2^2512804866 is an apocalyptic number.

2512804866 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2512804866 is an abundant number, since it is smaller than the sum of its proper divisors (3391409982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2512804866 is a wasteful number, since it uses less digits than its factorization.

2512804866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2928706.

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 2512804866 is about 50127.8851139762. The cubic root of 2512804866 is about 1359.5220469430.

The spelling of 2512804866 in words is "two billion, five hundred twelve million, eight hundred four thousand, eight hundred sixty-six".