5151851 has 2 divisors, whose sum is σ = 5151852. Its totient is φ = 5151850.

The previous prime is 5151847. The next prime is 5151871. The reversal of 5151851 is 1581515.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5151851 - 2² = 5151847 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5151851.

It is not a weakly prime, because it can be changed into another prime (5151841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2575925 + 2575926.

It is an arithmetic number, because the mean of its divisors is an integer number (2575926).

Almost surely, 2^5151851 is an apocalyptic number.

5151851 is a deficient number, since it is larger than the sum of its proper divisors (1).

5151851 is an equidigital number, since it uses as much as digits as its factorization.

5151851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1000, while the sum is 26.

The square root of 5151851 is about 2269.7689309707. The cubic root of 5151851 is about 172.7114371531.

The spelling of 5151851 in words is "five million, one hundred fifty-one thousand, eight hundred fifty-one".