6221413 has 4 divisors (see below), whose sum is σ = 6787008. Its totient is φ = 5655820.

The previous prime is 6221377. The next prime is 6221429. The reversal of 6221413 is 3141226.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6221413 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 (6221213) 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, 282781 + ... + 282802.

It is an arithmetic number, because the mean of its divisors is an integer number (1696752).

Almost surely, 2^6221413 is an apocalyptic number.

It is an amenable number.

6221413 is a deficient number, since it is larger than the sum of its proper divisors (565595).

6221413 is a wasteful number, since it uses less digits than its factorization.

6221413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565594.

The product of its digits is 288, while the sum is 19.

The square root of 6221413 is about 2494.2760472730. The cubic root of 6221413 is about 183.9203045699.

Adding to 6221413 its reverse (3141226), we get a palindrome (9362639).

The spelling of 6221413 in words is "six million, two hundred twenty-one thousand, four hundred thirteen".