6249979 has 2 divisors, whose sum is σ = 6249980. Its totient is φ = 6249978.

The previous prime is 6249973. The next prime is 6249989. The reversal of 6249979 is 9799426.

6249979 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6249979 - 2⁷ = 6249851 is a prime.

It is not a weakly prime, because it can be changed into another prime (6249973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3124989 + 3124990.

It is an arithmetic number, because the mean of its divisors is an integer number (3124990).

Almost surely, 2^6249979 is an apocalyptic number.

6249979 is a deficient number, since it is larger than the sum of its proper divisors (1).

6249979 is an equidigital number, since it uses as much as digits as its factorization.

6249979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 46.

The square root of 6249979 is about 2499.9957999965. The cubic root of 6249979 is about 184.2013686260.

The spelling of 6249979 in words is "six million, two hundred forty-nine thousand, nine hundred seventy-nine".