2520482581 has 16 divisors (see below), whose sum is σ = 2596691520. Its totient is φ = 2445632640.

The previous prime is 2520482579. The next prime is 2520482633. The reversal of 2520482581 is 1852840252.

It is a cyclic number.

It is not a de Polignac number, because 2520482581 - 2¹ = 2520482579 is a prime.

It is a super-2 number, since 2×2520482581² = 12705664882248843122, which contains 22 as substring.

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 2520482581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520482561) 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, 1973115 + ... + 1974391.

It is an arithmetic number, because the mean of its divisors is an integer number (162293220).

Almost surely, 2^2520482581 is an apocalyptic number.

It is an amenable number.

2520482581 is a deficient number, since it is larger than the sum of its proper divisors (76208939).

2520482581 is a wasteful number, since it uses less digits than its factorization.

2520482581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764.

The product of its (nonzero) digits is 51200, while the sum is 37.

The square root of 2520482581 is about 50204.4079837617. The cubic root of 2520482581 is about 1360.9052834023.

The spelling of 2520482581 in words is "two billion, five hundred twenty million, four hundred eighty-two thousand, five hundred eighty-one".