2543090 has 32 divisors (see below), whose sum is σ = 5088960. Its totient is φ = 907200.

The previous prime is 2543059. The next prime is 2543111. The reversal of 2543090 is 903452.

It is an alternating number because its digits alternate between even and odd.

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 in 15 ways as a sum of consecutive naturals, for example, 6521 + ... + 6899.

It is an arithmetic number, because the mean of its divisors is an integer number (159030).

2^2543090 is an apocalyptic number.

2543090 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

2543090 is a wasteful number, since it uses less digits than its factorization.

2543090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2543090 is about 1594.7068696159. The cubic root of 2543090 is about 136.4962049511.

The spelling of 2543090 in words is "two million, five hundred forty-three thousand, ninety".