2562878 has 4 divisors (see below), whose sum is σ = 3844320. Its totient is φ = 1281438.

The previous prime is 2562841. The next prime is 2562881. The reversal of 2562878 is 8782652.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 2⁴ + 5⁷ + 6⁵ + 2⁴ + 8⁶ + 7⁶ + 8⁷ .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 640718 + ... + 640721.

It is an arithmetic number, because the mean of its divisors is an integer number (961080).

2^2562878 is an apocalyptic number.

2562878 is a deficient number, since it is larger than the sum of its proper divisors (1281442).

2562878 is a wasteful number, since it uses less digits than its factorization.

2562878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281441.

The product of its digits is 53760, while the sum is 38.

The square root of 2562878 is about 1600.8991223684. The cubic root of 2562878 is about 136.8493201895.

The spelling of 2562878 in words is "two million, five hundred sixty-two thousand, eight hundred seventy-eight".