5242508813 has 2 divisors, whose sum is σ = 5242508814. Its totient is φ = 5242508812.

The previous prime is 5242508771. The next prime is 5242508839. The reversal of 5242508813 is 3188052425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3233855689 + 2008653124 = 56867^2 + 44818^2 .

It is a cyclic number.

It is not a de Polignac number, because 5242508813 - 2¹⁰ = 5242507789 is a prime.

It is a super-3 number, since 3×5242508813³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5242508893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2621254406 + 2621254407.

It is an arithmetic number, because the mean of its divisors is an integer number (2621254407).

Almost surely, 2^5242508813 is an apocalyptic number.

It is an amenable number.

5242508813 is a deficient number, since it is larger than the sum of its proper divisors (1).

5242508813 is an equidigital number, since it uses as much as digits as its factorization.

5242508813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 5242508813 is about 72405.1711758214. The cubic root of 5242508813 is about 1737.1862760729.

The spelling of 5242508813 in words is "five billion, two hundred forty-two million, five hundred eight thousand, eight hundred thirteen".