2520045603 has 24 divisors (see below), whose sum is σ = 3709289376. Its totient is φ = 1648224000.

The previous prime is 2520045581. The next prime is 2520045613. The reversal of 2520045603 is 3065400252.

2520045603 is a `hidden beast` number, since 2 + 5 + 200 + 456 + 0 + 3 = 666.

It is not a de Polignac number, because 2520045603 - 2¹³ = 2520037411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2520045613) 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, 214426 + ... + 225872.

It is an arithmetic number, because the mean of its divisors is an integer number (154553724).

Almost surely, 2^2520045603 is an apocalyptic number.

2520045603 is a deficient number, since it is larger than the sum of its proper divisors (1189243773).

2520045603 is a wasteful number, since it uses less digits than its factorization.

2520045603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11915 (or 11912 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2520045603 is about 50200.0558067419. The cubic root of 2520045603 is about 1360.8266317923.

Adding to 2520045603 its reverse (3065400252), we get a palindrome (5585445855).

The spelling of 2520045603 in words is "two billion, five hundred twenty million, forty-five thousand, six hundred three".