6091321 has 4 divisors (see below), whose sum is σ = 6449652. Its totient is φ = 5732992.

The previous prime is 6091313. The next prime is 6091331. The reversal of 6091321 is 1231906.

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 1946025 + 4145296 = 1395^2 + 2036^2 .

It is a cyclic number.

It is not a de Polignac number, because 6091321 - 2³ = 6091313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6091292 and 6091301.

It is not an unprimeable number, because it can be changed into a prime (6091331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179140 + ... + 179173.

It is an arithmetic number, because the mean of its divisors is an integer number (1612413).

Almost surely, 2^6091321 is an apocalyptic number.

It is an amenable number.

6091321 is a deficient number, since it is larger than the sum of its proper divisors (358331).

6091321 is a wasteful number, since it uses less digits than its factorization.

6091321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358330.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 6091321 is about 2468.0601694448. The cubic root of 6091321 is about 182.6293172405.

The spelling of 6091321 in words is "six million, ninety-one thousand, three hundred twenty-one".