6244013 has 4 divisors (see below), whose sum is σ = 6396348. Its totient is φ = 6091680.

The previous prime is 6244003. The next prime is 6244031. The reversal of 6244013 is 3104426.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2256004 + 3988009 = 1502^2 + 1997^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6244013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6244003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76106 + ... + 76187.

It is an arithmetic number, because the mean of its divisors is an integer number (1599087).

Almost surely, 2^6244013 is an apocalyptic number.

It is an amenable number.

6244013 is a deficient number, since it is larger than the sum of its proper divisors (152335).

6244013 is a wasteful number, since it uses less digits than its factorization.

6244013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152334.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 6244013 is about 2498.8023131092. The cubic root of 6244013 is about 184.1427393505.

Adding to 6244013 its reverse (3104426), we get a palindrome (9348439).

The spelling of 6244013 in words is "six million, two hundred forty-four thousand, thirteen".