2581148 has 12 divisors (see below), whose sum is σ = 4553472. Its totient is φ = 1280160.

The previous prime is 2581147. The next prime is 2581171. The reversal of 2581148 is 8411852.

2581148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2581148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2581141) 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 3 ways as a sum of consecutive naturals, for example, 2033 + ... + 3048.

It is an arithmetic number, because the mean of its divisors is an integer number (379456).

2^2581148 is an apocalyptic number.

It is an amenable number.

2581148 is a deficient number, since it is larger than the sum of its proper divisors (1972324).

2581148 is a wasteful number, since it uses less digits than its factorization.

2581148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5212 (or 5210 counting only the distinct ones).

The product of its digits is 2560, while the sum is 29.

The square root of 2581148 is about 1606.5951574681. The cubic root of 2581148 is about 137.1737366395.

The spelling of 2581148 in words is "two million, five hundred eighty-one thousand, one hundred forty-eight".