6454321 has 4 divisors (see below), whose sum is σ = 6460272. Its totient is φ = 6448372.

The previous prime is 6454307. The next prime is 6454337. The reversal of 6454321 is 1234546.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1234546 = 2 ⋅617273.

It is a cyclic number.

It is not a de Polignac number, because 6454321 - 2⁹ = 6453809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6454361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 835 + ... + 3688.

It is an arithmetic number, because the mean of its divisors is an integer number (1615068).

Almost surely, 2^6454321 is an apocalyptic number.

It is an amenable number.

6454321 is a deficient number, since it is larger than the sum of its proper divisors (5951).

6454321 is a wasteful number, since it uses less digits than its factorization.

6454321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5950.

The product of its digits is 2880, while the sum is 25.

The square root of 6454321 is about 2540.5355734569. The cubic root of 6454321 is about 186.1873569791.

Adding to 6454321 its reverse (1234546), we get a palindrome (7688867).

The spelling of 6454321 in words is "six million, four hundred fifty-four thousand, three hundred twenty-one".