5242521241 has 4 divisors (see below), whose sum is σ = 5274684112. Its totient is φ = 5210358372.

The previous prime is 5242521239. The next prime is 5242521247. The reversal of 5242521241 is 1421252425.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5242521241 - 2¹ = 5242521239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5242521247) 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, 16081191 + ... + 16081516.

It is an arithmetic number, because the mean of its divisors is an integer number (1318671028).

Almost surely, 2^5242521241 is an apocalyptic number.

It is an amenable number.

5242521241 is a deficient number, since it is larger than the sum of its proper divisors (32162871).

5242521241 is a wasteful number, since it uses less digits than its factorization.

5242521241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32162870.

The product of its digits is 6400, while the sum is 28.

The square root of 5242521241 is about 72405.2569983699. The cubic root of 5242521241 is about 1737.1876488085.

Adding to 5242521241 its reverse (1421252425), we get a palindrome (6663773666).

The spelling of 5242521241 in words is "five billion, two hundred forty-two million, five hundred twenty-one thousand, two hundred forty-one".