2581482 has 16 divisors (see below), whose sum is σ = 5212512. Its totient is φ = 852240.

The previous prime is 2581477. The next prime is 2581487. The reversal of 2581482 is 2841852.

It is an interprime number because it is at equal distance from previous prime (2581477) and next prime (2581487).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2581487) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1369 + ... + 2652.

It is an arithmetic number, because the mean of its divisors is an integer number (325782).

2^2581482 is an apocalyptic number.

2581482 is an abundant number, since it is smaller than the sum of its proper divisors (2631030).

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

2581482 is a wasteful number, since it uses less digits than its factorization.

2581482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4133.

The product of its digits is 5120, while the sum is 30.

The square root of 2581482 is about 1606.6991006408. The cubic root of 2581482 is about 137.1796531350.

The spelling of 2581482 in words is "two million, five hundred eighty-one thousand, four hundred eighty-two".