2505302503 has 4 divisors (see below), whose sum is σ = 2733057288. Its totient is φ = 2277547720.

The previous prime is 2505302483. The next prime is 2505302567. The reversal of 2505302503 is 3052035052.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2505302503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505302003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113877376 + ... + 113877397.

It is an arithmetic number, because the mean of its divisors is an integer number (683264322).

Almost surely, 2^2505302503 is an apocalyptic number.

2505302503 is a deficient number, since it is larger than the sum of its proper divisors (227754785).

2505302503 is a wasteful number, since it uses less digits than its factorization.

2505302503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227754784.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 2505302503 is about 50052.9969432401. The cubic root of 2505302503 is about 1358.1676778658.

Adding to 2505302503 its reverse (3052035052), we get a palindrome (5557337555).

The spelling of 2505302503 in words is "two billion, five hundred five million, three hundred two thousand, five hundred three".