5200817851 has 2 divisors, whose sum is σ = 5200817852. Its totient is φ = 5200817850.

The previous prime is 5200817813. The next prime is 5200817887. The reversal of 5200817851 is 1587180025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5200817851 - 2⁷ = 5200817723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5200817851.

It is not a weakly prime, because it can be changed into another prime (5200817801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2600408925 + 2600408926.

It is an arithmetic number, because the mean of its divisors is an integer number (2600408926).

Almost surely, 2^5200817851 is an apocalyptic number.

5200817851 is a deficient number, since it is larger than the sum of its proper divisors (1).

5200817851 is an equidigital number, since it uses as much as digits as its factorization.

5200817851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22400, while the sum is 37.

The square root of 5200817851 is about 72116.6960627010. The cubic root of 5200817851 is about 1732.5690334228.

Adding to 5200817851 its reverse (1587180025), we get a palindrome (6787997876).

The spelling of 5200817851 in words is "five billion, two hundred million, eight hundred seventeen thousand, eight hundred fifty-one".