6230021 has 4 divisors (see below), whose sum is σ = 7120032. Its totient is φ = 5340012.

The previous prime is 6230017. The next prime is 6230047. The reversal of 6230021 is 1200326.

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 not a de Polignac number, because 6230021 - 2² = 6230017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6229978 and 6230005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6230221) 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, 444995 + ... + 445008.

It is an arithmetic number, because the mean of its divisors is an integer number (1780008).

Almost surely, 2^6230021 is an apocalyptic number.

It is an amenable number.

6230021 is a deficient number, since it is larger than the sum of its proper divisors (890011).

6230021 is an equidigital number, since it uses as much as digits as its factorization.

6230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890010.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 6230021 is about 2496.0010016024. The cubic root of 6230021 is about 184.0050900451.

Adding to 6230021 its reverse (1200326), we get a palindrome (7430347).

The spelling of 6230021 in words is "six million, two hundred thirty thousand, twenty-one".