6249813 has 16 divisors (see below), whose sum is σ = 8864640. Its totient is φ = 3907904.

The previous prime is 6249809. The next prime is 6249821. The reversal of 6249813 is 3189426.

6249813 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 6249813 - 2² = 6249809 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6249823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2803 + ... + 4511.

It is an arithmetic number, because the mean of its divisors is an integer number (554040).

Almost surely, 2^6249813 is an apocalyptic number.

It is an amenable number.

6249813 is a deficient number, since it is larger than the sum of its proper divisors (2614827).

6249813 is a wasteful number, since it uses less digits than its factorization.

6249813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788.

The product of its digits is 10368, while the sum is 33.

The square root of 6249813 is about 2499.9625997202. The cubic root of 6249813 is about 184.1997378100.

The spelling of 6249813 in words is "six million, two hundred forty-nine thousand, eight hundred thirteen".