2580890 has 16 divisors (see below), whose sum is σ = 5003208. Its totient is φ = 952896.

The previous prime is 2580887. The next prime is 2580901. The reversal of 2580890 is 980852.

2580890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1138489 + 1442401 = 1067^2 + 1201^2 .

It is an Ulam number.

It is an unprimeable number.

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, 9797 + ... + 10056.

2^2580890 is an apocalyptic number.

2580890 is a deficient number, since it is larger than the sum of its proper divisors (2422318).

2580890 is a wasteful number, since it uses less digits than its factorization.

2580890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19873.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 2580890 is about 1606.5148614314. The cubic root of 2580890 is about 137.1691660630.

The spelling of 2580890 in words is "two million, five hundred eighty thousand, eight hundred ninety".