6454421 has 4 divisors (see below), whose sum is σ = 6735072. Its totient is φ = 6173772.

The previous prime is 6454411. The next prime is 6454439. The reversal of 6454421 is 1244546.

6454421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6454421 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 (6454411) 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, 140291 + ... + 140336.

It is an arithmetic number, because the mean of its divisors is an integer number (1683768).

Almost surely, 2^6454421 is an apocalyptic number.

It is an amenable number.

6454421 is a deficient number, since it is larger than the sum of its proper divisors (280651).

6454421 is a wasteful number, since it uses less digits than its factorization.

6454421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280650.

The product of its digits is 3840, while the sum is 26.

The square root of 6454421 is about 2540.5552542702. Note that the first 3 decimals coincide. The cubic root of 6454421 is about 186.1883185386.

Adding to 6454421 its reverse (1244546), we get a palindrome (7698967).

The spelling of 6454421 in words is "six million, four hundred fifty-four thousand, four hundred twenty-one".