2520263543 has 16 divisors (see below), whose sum is σ = 2937344256. Its totient is φ = 2117843520.

The previous prime is 2520263519. The next prime is 2520263591. The reversal of 2520263543 is 3453620252.

It is a cyclic number.

It is not a de Polignac number, because 2520263543 - 2¹² = 2520259447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520263503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59555 + ... + 92667.

It is an arithmetic number, because the mean of its divisors is an integer number (183584016).

Almost surely, 2^2520263543 is an apocalyptic number.

2520263543 is a deficient number, since it is larger than the sum of its proper divisors (417080713).

2520263543 is a wasteful number, since it uses less digits than its factorization.

2520263543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33334.

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 2520263543 is about 50202.2264745300. The cubic root of 2520263543 is about 1360.8658599193.

Adding to 2520263543 its reverse (3453620252), we get a palindrome (5973883795).

The spelling of 2520263543 in words is "two billion, five hundred twenty million, two hundred sixty-three thousand, five hundred forty-three".