2520581282 has 16 divisors (see below), whose sum is σ = 3845500920. Its totient is φ = 1238911872.

The previous prime is 2520581257. The next prime is 2520581299. The reversal of 2520581282 is 2821850252.

It can be written as a sum of positive squares in 4 ways, for example, as 2507105041 + 13476241 = 50071^2 + 3671^2 .

It is an unprimeable number.

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, 10133 + ... + 71720.

Almost surely, 2^2520581282 is an apocalyptic number.

2520581282 is a deficient number, since it is larger than the sum of its proper divisors (1324919638).

2520581282 is a wasteful number, since it uses less digits than its factorization.

2520581282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82117.

The product of its (nonzero) digits is 25600, while the sum is 35.

The square root of 2520581282 is about 50205.3909655129. The cubic root of 2520581282 is about 1360.9230473232.

The spelling of 2520581282 in words is "two billion, five hundred twenty million, five hundred eighty-one thousand, two hundred eighty-two".