2520530803 has 16 divisors (see below), whose sum is σ = 2922716160. Its totient is φ = 2129006016.

The previous prime is 2520530767. The next prime is 2520530809. The reversal of 2520530803 is 3080350252.

It is a cyclic number.

It is not a de Polignac number, because 2520530803 - 2²⁹ = 1983659891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2520530809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232326 + ... + 242932.

It is an arithmetic number, because the mean of its divisors is an integer number (182669760).

Almost surely, 2^2520530803 is an apocalyptic number.

2520530803 is a deficient number, since it is larger than the sum of its proper divisors (402185357).

2520530803 is a wasteful number, since it uses less digits than its factorization.

2520530803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11106.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2520530803 is about 50204.8882380989. Note that the first 3 decimals coincide. The cubic root of 2520530803 is about 1360.9139623165.

The spelling of 2520530803 in words is "two billion, five hundred twenty million, five hundred thirty thousand, eight hundred three".