2561484 has 24 divisors (see below), whose sum is σ = 6032880. Its totient is φ = 845824.

The previous prime is 2561431. The next prime is 2561491. The reversal of 2561484 is 4841652.

2561484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2561484² = 13122400564512, which contains 22 as substring.

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, 412 + ... + 2300.

It is an arithmetic number, because the mean of its divisors is an integer number (251370).

2^2561484 is an apocalyptic number.

It is an amenable number.

2561484 is an abundant number, since it is smaller than the sum of its proper divisors (3471396).

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

2561484 is a wasteful number, since it uses less digits than its factorization.

2561484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009 (or 2007 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 2561484 is about 1600.4636828120. The cubic root of 2561484 is about 136.8245040063.

The spelling of 2561484 in words is "two million, five hundred sixty-one thousand, four hundred eighty-four".