4541421 has 4 divisors (see below), whose sum is σ = 6055232. Its totient is φ = 3027612.

The previous prime is 4541387. The next prime is 4541477. The reversal of 4541421 is 1241454.

It is a happy number.

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 not a de Polignac number, because 4541421 - 2⁹ = 4540909 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4541021) 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, 756901 + ... + 756906.

It is an arithmetic number, because the mean of its divisors is an integer number (1513808).

Almost surely, 2^4541421 is an apocalyptic number.

It is an amenable number.

4541421 is a deficient number, since it is larger than the sum of its proper divisors (1513811).

4541421 is a wasteful number, since it uses less digits than its factorization.

4541421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513810.

The product of its digits is 640, while the sum is 21.

The square root of 4541421 is about 2131.0610033502. The cubic root of 4541421 is about 165.6013684570.

Adding to 4541421 its reverse (1241454), we get a palindrome (5782875).

The spelling of 4541421 in words is "four million, five hundred forty-one thousand, four hundred twenty-one".