6249851 has 2 divisors, whose sum is σ = 6249852. Its totient is φ = 6249850.

The previous prime is 6249839. The next prime is 6249871. The reversal of 6249851 is 1589426.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6249851 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6249821) 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, 3124925 + 3124926.

It is an arithmetic number, because the mean of its divisors is an integer number (3124926).

Almost surely, 2^6249851 is an apocalyptic number.

6249851 is a deficient number, since it is larger than the sum of its proper divisors (1).

6249851 is an equidigital number, since it uses as much as digits as its factorization.

6249851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 35.

The square root of 6249851 is about 2499.9701998224. The cubic root of 6249851 is about 184.2001111319.

The spelling of 6249851 in words is "six million, two hundred forty-nine thousand, eight hundred fifty-one".