5217538853 has 2 divisors, whose sum is σ = 5217538854. Its totient is φ = 5217538852.

The previous prime is 5217538819. The next prime is 5217538957. The reversal of 5217538853 is 3588357125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5052082084 + 165456769 = 71078^2 + 12863^2 .

It is a cyclic number.

It is not a de Polignac number, because 5217538853 - 2³² = 922571557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5217538798 and 5217538807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5217538813) 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, 2608769426 + 2608769427.

It is an arithmetic number, because the mean of its divisors is an integer number (2608769427).

Almost surely, 2^5217538853 is an apocalyptic number.

It is an amenable number.

5217538853 is a deficient number, since it is larger than the sum of its proper divisors (1).

5217538853 is an equidigital number, since it uses as much as digits as its factorization.

5217538853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008000, while the sum is 47.

The square root of 5217538853 is about 72232.5332035365. The cubic root of 5217538853 is about 1734.4238249353.

The spelling of 5217538853 in words is "five billion, two hundred seventeen million, five hundred thirty-eight thousand, eight hundred fifty-three".