2520604603 has 24 divisors (see below), whose sum is σ = 2946918240. Its totient is φ = 2146848000.

The previous prime is 2520604577. The next prime is 2520604609. The reversal of 2520604603 is 3064060252.

It is a happy number.

It is not a de Polignac number, because 2520604603 - 2⁹ = 2520604091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2520604609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 468378 + ... + 473728.

It is an arithmetic number, because the mean of its divisors is an integer number (122788260).

Almost surely, 2^2520604603 is an apocalyptic number.

2520604603 is a deficient number, since it is larger than the sum of its proper divisors (426313637).

2520604603 is a wasteful number, since it uses less digits than its factorization.

2520604603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5619 (or 5608 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 2520604603 is about 50205.6232209102. The cubic root of 2520604603 is about 1360.9272445016.

Adding to 2520604603 its reverse (3064060252), we get a palindrome (5584664855).

The spelling of 2520604603 in words is "two billion, five hundred twenty million, six hundred four thousand, six hundred three".