2512666 has 16 divisors (see below), whose sum is σ = 4085928. Its totient is φ = 1152000.

The previous prime is 2512661. The next prime is 2512673. The reversal of 2512666 is 6662152.

2512666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2480625 + 32041 = 1575^2 + 179^2 .

It is not an unprimeable number, because it can be changed into a prime (2512661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6066 + ... + 6466.

2^2512666 is an apocalyptic number.

2512666 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2512666 is a deficient number, since it is larger than the sum of its proper divisors (1573262).

2512666 is a wasteful number, since it uses less digits than its factorization.

2512666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657.

The product of its digits is 4320, while the sum is 28.

The square root of 2512666 is about 1585.1391106146. The cubic root of 2512666 is about 135.9497002570.

The spelling of 2512666 in words is "two million, five hundred twelve thousand, six hundred sixty-six".