6249949 has 2 divisors, whose sum is σ = 6249950. Its totient is φ = 6249948.

The previous prime is 6249923. The next prime is 6249953. The reversal of 6249949 is 9499426.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5846724 + 403225 = 2418^2 + 635^2 .

It is a cyclic number.

It is not a de Polignac number, because 6249949 - 2⁷ = 6249821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6249959) 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, 3124974 + 3124975.

It is an arithmetic number, because the mean of its divisors is an integer number (3124975).

Almost surely, 2^6249949 is an apocalyptic number.

It is an amenable number.

6249949 is a deficient number, since it is larger than the sum of its proper divisors (1).

6249949 is an equidigital number, since it uses as much as digits as its factorization.

6249949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 43.

The square root of 6249949 is about 2499.9897999792. The cubic root of 6249949 is about 184.2010739024.

The spelling of 6249949 in words is "six million, two hundred forty-nine thousand, nine hundred forty-nine".