2512866 has 8 divisors (see below), whose sum is σ = 5025744. Its totient is φ = 837620.

The previous prime is 2512847. The next prime is 2512897. The reversal of 2512866 is 6682152.

It is a sphenic number, since it is the product of 3 distinct primes.

2512866 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209400 + ... + 209411.

It is an arithmetic number, because the mean of its divisors is an integer number (628218).

2^2512866 is an apocalyptic number.

2512866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2512866 is a wasteful number, since it uses less digits than its factorization.

2512866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418816.

The product of its digits is 5760, while the sum is 30.

The square root of 2512866 is about 1585.2021953051. The cubic root of 2512866 is about 135.9533072119.

It can be divided in two parts, 251286 and 6, that multiplied together give a triangular number (1507716 = T₁₇₃₆).

The spelling of 2512866 in words is "two million, five hundred twelve thousand, eight hundred sixty-six".