5224130521 has 4 divisors (see below), whose sum is σ = 5241960612. Its totient is φ = 5206300432.

The previous prime is 5224130479. The next prime is 5224130531. The reversal of 5224130521 is 1250314225.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3817880521 + 1406250000 = 61789^2 + 37500^2 .

It is a cyclic number.

It is not a de Polignac number, because 5224130521 - 2¹¹ = 5224128473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5224130531) 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, 8914606 + ... + 8915191.

It is an arithmetic number, because the mean of its divisors is an integer number (1310490153).

Almost surely, 2^5224130521 is an apocalyptic number.

It is an amenable number.

5224130521 is a deficient number, since it is larger than the sum of its proper divisors (17830091).

5224130521 is a wasteful number, since it uses less digits than its factorization.

5224130521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17830090.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 5224130521 is about 72278.1469117741. The cubic root of 5224130521 is about 1735.1539223457.

Adding to 5224130521 its reverse (1250314225), we get a palindrome (6474444746).

The spelling of 5224130521 in words is "five billion, two hundred twenty-four million, one hundred thirty thousand, five hundred twenty-one".