2581208 has 16 divisors (see below), whose sum is σ = 5531280. Its totient is φ = 1106208.

The previous prime is 2581181. The next prime is 2581211. The reversal of 2581208 is 8021852.

2581208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 22991 + ... + 23102.

It is an arithmetic number, because the mean of its divisors is an integer number (345705).

2^2581208 is an apocalyptic number.

2581208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2581208 is an abundant number, since it is smaller than the sum of its proper divisors (2950072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2581208 is a wasteful number, since it uses less digits than its factorization.

2581208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46106 (or 46102 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 2581208 is about 1606.6138303899. The cubic root of 2581208 is about 137.1747995206.

The spelling of 2581208 in words is "two million, five hundred eighty-one thousand, two hundred eight".