2541778 has 8 divisors (see below), whose sum is σ = 3843072. Its totient is φ = 1260756.

The previous prime is 2541769. The next prime is 2541811. The reversal of 2541778 is 8771452.

It is a happy number.

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

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, 4750 + ... + 5257.

It is an arithmetic number, because the mean of its divisors is an integer number (480384).

2^2541778 is an apocalyptic number.

2541778 is a deficient number, since it is larger than the sum of its proper divisors (1301294).

2541778 is a wasteful number, since it uses less digits than its factorization.

2541778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10136.

The product of its digits is 15680, while the sum is 34.

The square root of 2541778 is about 1594.2954556794. The cubic root of 2541778 is about 136.4727277605.

The spelling of 2541778 in words is "two million, five hundred forty-one thousand, seven hundred seventy-eight".