2542186 has 16 divisors (see below), whose sum is σ = 3979008. Its totient is φ = 1216800.

The previous prime is 2542151. The next prime is 2542187. The reversal of 2542186 is 6812452.

2542186 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2542187) 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, 7966 + ... + 8278.

It is an arithmetic number, because the mean of its divisors is an integer number (248688).

2^2542186 is an apocalyptic number.

2542186 is a deficient number, since it is larger than the sum of its proper divisors (1436822).

2542186 is a wasteful number, since it uses less digits than its factorization.

2542186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477.

The product of its digits is 3840, while the sum is 28.

The square root of 2542186 is about 1594.4234067524. The cubic root of 2542186 is about 136.4800294595.

The spelling of 2542186 in words is "two million, five hundred forty-two thousand, one hundred eighty-six".