2581482241 has 16 divisors (see below), whose sum is σ = 2923094160. Its totient is φ = 2263000320.

The previous prime is 2581482229. The next prime is 2581482247. The reversal of 2581482241 is 1422841852.

It can be written as a sum of positive squares in 8 ways, for example, as 1032272641 + 1549209600 = 32129^2 + 39360^2 .

It is a cyclic number.

It is not a de Polignac number, because 2581482241 - 2²⁷ = 2447264513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2581482241.

It is not an unprimeable number, because it can be changed into a prime (2581482247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33130 + ... + 79123.

It is an arithmetic number, because the mean of its divisors is an integer number (182693385).

Almost surely, 2^2581482241 is an apocalyptic number.

It is an amenable number.

2581482241 is a deficient number, since it is larger than the sum of its proper divisors (341611919).

2581482241 is a wasteful number, since it uses less digits than its factorization.

2581482241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112356.

The product of its digits is 40960, while the sum is 37.

The square root of 2581482241 is about 50808.2890973510. The cubic root of 2581482241 is about 1371.7965740394.

The spelling of 2581482241 in words is "two billion, five hundred eighty-one million, four hundred eighty-two thousand, two hundred forty-one".