2520242003 has 4 divisors (see below), whose sum is σ = 2521691328. Its totient is φ = 2518792680.

The previous prime is 2520241987. The next prime is 2520242033. The reversal of 2520242003 is 3002420252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2520242003 - 2⁴ = 2520241987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2520242033) 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 3 ways as a sum of consecutive naturals, for example, 722051 + ... + 725532.

It is an arithmetic number, because the mean of its divisors is an integer number (630422832).

Almost surely, 2^2520242003 is an apocalyptic number.

2520242003 is a deficient number, since it is larger than the sum of its proper divisors (1449325).

2520242003 is a wasteful number, since it uses less digits than its factorization.

2520242003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449324.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 2520242003 is about 50202.0119417539. The cubic root of 2520242003 is about 1360.8619829261.

Adding to 2520242003 its reverse (3002420252), we get a palindrome (5522662255).

The spelling of 2520242003 in words is "two billion, five hundred twenty million, two hundred forty-two thousand, three".