5242740539 has 2 divisors, whose sum is σ = 5242740540. Its totient is φ = 5242740538.

The previous prime is 5242740521. The next prime is 5242740541. The reversal of 5242740539 is 9350472425.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5242740539 - 2³² = 947773243 is a prime.

It is a Sophie Germain prime.

Together with 5242740541, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 5242740496 and 5242740505.

It is not a weakly prime, because it can be changed into another prime (5242740599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2621370269 + 2621370270.

It is an arithmetic number, because the mean of its divisors is an integer number (2621370270).

Almost surely, 2^5242740539 is an apocalyptic number.

5242740539 is a deficient number, since it is larger than the sum of its proper divisors (1).

5242740539 is an equidigital number, since it uses as much as digits as its factorization.

5242740539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 41.

The square root of 5242740539 is about 72406.7713615239. The cubic root of 5242740539 is about 1737.2118710257.

The spelling of 5242740539 in words is "five billion, two hundred forty-two million, seven hundred forty thousand, five hundred thirty-nine".