2505300503 has 4 divisors (see below), whose sum is σ = 2506849560. Its totient is φ = 2503751448.

The previous prime is 2505300493. The next prime is 2505300509. The reversal of 2505300503 is 3050035052.

It is a happy number.

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 2505300503 - 2⁴ = 2505300487 is a prime.

It is a super-2 number, since 2×2505300503² = 12553061220664106018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505300509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 772100 + ... + 775337.

It is an arithmetic number, because the mean of its divisors is an integer number (626712390).

Almost surely, 2^2505300503 is an apocalyptic number.

2505300503 is a deficient number, since it is larger than the sum of its proper divisors (1549057).

2505300503 is a wasteful number, since it uses less digits than its factorization.

2505300503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549056.

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 2505300503 is about 50052.9769644124. The cubic root of 2505300503 is about 1358.1673164542.

Adding to 2505300503 its reverse (3050035052), we get a palindrome (5555335555).

The spelling of 2505300503 in words is "two billion, five hundred five million, three hundred thousand, five hundred three".