2505030303 has 12 divisors (see below), whose sum is σ = 3491575640. Its totient is φ = 1597409616.

The previous prime is 2505030293. The next prime is 2505030323. The reversal of 2505030303 is 3030305052.

It is not a de Polignac number, because 2505030303 - 2⁴ = 2505030287 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

2505030303 is a modest number, since divided by 30303 gives 2505 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 2505030303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505030323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 787648 + ... + 790821.

Almost surely, 2^2505030303 is an apocalyptic number.

2505030303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2505030303 is a deficient number, since it is larger than the sum of its proper divisors (986545337).

2505030303 is a wasteful number, since it uses less digits than its factorization.

2505030303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578518 (or 1578495 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 21.

The square root of 2505030303 is about 50050.2777514771. The cubic root of 2505030303 is about 1358.1184879801.

Adding to 2505030303 its reverse (3030305052), we get a palindrome (5535335355).

The spelling of 2505030303 in words is "two billion, five hundred five million, thirty thousand, three hundred three".