5201851 has 2 divisors, whose sum is σ = 5201852. Its totient is φ = 5201850.

The previous prime is 5201849. The next prime is 5201857. The reversal of 5201851 is 1581025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5201851 - 2¹ = 5201849 is a prime.

Together with 5201849, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5201857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2600925 + 2600926.

It is an arithmetic number, because the mean of its divisors is an integer number (2600926).

Almost surely, 2^5201851 is an apocalyptic number.

5201851 is a deficient number, since it is larger than the sum of its proper divisors (1).

5201851 is an equidigital number, since it uses as much as digits as its factorization.

5201851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 5201851 is about 2280.7566726856. The cubic root of 5201851 is about 173.2683751499.

Adding to 5201851 its reverse (1581025), we get a palindrome (6782876).

The spelling of 5201851 in words is "five million, two hundred one thousand, eight hundred fifty-one".