5249851 has 2 divisors, whose sum is σ = 5249852. Its totient is φ = 5249850.

The previous prime is 5249831. The next prime is 5249857. The reversal of 5249851 is 1589425.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5249851 - 2¹⁷ = 5118779 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (5249857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2624925 + 2624926.

It is an arithmetic number, because the mean of its divisors is an integer number (2624926).

Almost surely, 2^5249851 is an apocalyptic number.

5249851 is a deficient number, since it is larger than the sum of its proper divisors (1).

5249851 is an equidigital number, since it uses as much as digits as its factorization.

5249851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 34.

The square root of 5249851 is about 2291.2553327816. The cubic root of 5249851 is about 173.7996880130.

The spelling of 5249851 in words is "five million, two hundred forty-nine thousand, eight hundred fifty-one".