5221617727 has 2 divisors, whose sum is σ = 5221617728. Its totient is φ = 5221617726.

The previous prime is 5221617691. The next prime is 5221617749. The reversal of 5221617727 is 7277161225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5221617727 - 2³¹ = 3074134079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5221617727.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5221617787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610808863 + 2610808864.

It is an arithmetic number, because the mean of its divisors is an integer number (2610808864).

Almost surely, 2^5221617727 is an apocalyptic number.

5221617727 is a deficient number, since it is larger than the sum of its proper divisors (1).

5221617727 is an equidigital number, since it uses as much as digits as its factorization.

5221617727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82320, while the sum is 40.

The square root of 5221617727 is about 72260.7620150798. The cubic root of 5221617727 is about 1734.8756761318.

The spelling of 5221617727 in words is "five billion, two hundred twenty-one million, six hundred seventeen thousand, seven hundred twenty-seven".