6081221 has 8 divisors (see below), whose sum is σ = 6237504. Its totient is φ = 5927040.

The previous prime is 6081217. The next prime is 6081227. The reversal of 6081221 is 1221806.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6081221 - 2² = 6081217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6081193 and 6081202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6081227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6446 + ... + 7328.

It is an arithmetic number, because the mean of its divisors is an integer number (779688).

Almost surely, 2^6081221 is an apocalyptic number.

It is an amenable number.

6081221 is a deficient number, since it is larger than the sum of its proper divisors (156283).

6081221 is an equidigital number, since it uses as much as digits as its factorization.

6081221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 6081221 is about 2466.0131792024. The cubic root of 6081221 is about 182.5283223699.

The spelling of 6081221 in words is "six million, eighty-one thousand, two hundred twenty-one".