6821341 has 4 divisors (see below), whose sum is σ = 6846784. Its totient is φ = 6795900.

The previous prime is 6821303. The next prime is 6821383. The reversal of 6821341 is 1431286.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1431286 = 2 ⋅715643.

It is a cyclic number.

It is not a de Polignac number, because 6821341 - 2¹⁷ = 6690269 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 (6821141) 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, 12315 + ... + 12856.

It is an arithmetic number, because the mean of its divisors is an integer number (1711696).

Almost surely, 2^6821341 is an apocalyptic number.

It is an amenable number.

6821341 is a deficient number, since it is larger than the sum of its proper divisors (25443).

6821341 is a wasteful number, since it uses less digits than its factorization.

6821341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25442.

The product of its digits is 1152, while the sum is 25.

The square root of 6821341 is about 2611.7697065400. The cubic root of 6821341 is about 189.6516331244.

The spelling of 6821341 in words is "six million, eight hundred twenty-one thousand, three hundred forty-one".