5242521503 has 4 divisors (see below), whose sum is σ = 5265414840. Its totient is φ = 5219628168.

The previous prime is 5242521481. The next prime is 5242521521. The reversal of 5242521503 is 3051252425.

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 5242521503 - 2⁸ = 5242521247 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 (5242511503) 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, 11446325 + ... + 11446782.

It is an arithmetic number, because the mean of its divisors is an integer number (1316353710).

Almost surely, 2^5242521503 is an apocalyptic number.

5242521503 is a deficient number, since it is larger than the sum of its proper divisors (22893337).

5242521503 is a wasteful number, since it uses less digits than its factorization.

5242521503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22893336.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 5242521503 is about 72405.2588076308. The cubic root of 5242521503 is about 1737.1876777477.

Adding to 5242521503 its reverse (3051252425), we get a palindrome (8293773928).

The spelling of 5242521503 in words is "five billion, two hundred forty-two million, five hundred twenty-one thousand, five hundred three".