5242745687 has 2 divisors, whose sum is σ = 5242745688. Its totient is φ = 5242745686.

The previous prime is 5242745653. The next prime is 5242745701. The reversal of 5242745687 is 7865472425.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5242745687 - 2⁶ = 5242745623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5242745087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2621372843 + 2621372844.

It is an arithmetic number, because the mean of its divisors is an integer number (2621372844).

Almost surely, 2^5242745687 is an apocalyptic number.

5242745687 is a deficient number, since it is larger than the sum of its proper divisors (1).

5242745687 is an equidigital number, since it uses as much as digits as its factorization.

5242745687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3763200, while the sum is 50.

The square root of 5242745687 is about 72406.8069106766. The cubic root of 5242745687 is about 1737.2124396319.

The spelling of 5242745687 in words is "five billion, two hundred forty-two million, seven hundred forty-five thousand, six hundred eighty-seven".