6268321 has 4 divisors (see below), whose sum is σ = 6484500. Its totient is φ = 6052144.

The previous prime is 6268313. The next prime is 6268331. The reversal of 6268321 is 1238626.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1238626 = 2 ⋅619313.

It can be written as a sum of positive squares in 2 ways, for example, as 1904400 + 4363921 = 1380^2 + 2089^2 .

It is a cyclic number.

It is not a de Polignac number, because 6268321 - 2³ = 6268313 is a prime.

It is a Duffinian number.

6268321 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6268321.

It is not an unprimeable number, because it can be changed into a prime (6268331) 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, 108046 + ... + 108103.

It is an arithmetic number, because the mean of its divisors is an integer number (1621125).

Almost surely, 2^6268321 is an apocalyptic number.

It is an amenable number.

6268321 is a deficient number, since it is larger than the sum of its proper divisors (216179).

6268321 is a wasteful number, since it uses less digits than its factorization.

6268321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216178.

The product of its digits is 3456, while the sum is 28.

The square root of 6268321 is about 2503.6615186562. The cubic root of 6268321 is about 184.3813863918.

The spelling of 6268321 in words is "six million, two hundred sixty-eight thousand, three hundred twenty-one".