421441303 has 4 divisors (see below), whose sum is σ = 427377168. Its totient is φ = 415505440.

The previous prime is 421441291. The next prime is 421441331. The reversal of 421441303 is 303144124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 421441303 - 2⁹ = 421440791 is a prime.

It is a super-2 number, since 2×421441303² = 355225543748675618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421441333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2967826 + ... + 2967967.

It is an arithmetic number, because the mean of its divisors is an integer number (106844292).

Almost surely, 2^421441303 is an apocalyptic number.

421441303 is a deficient number, since it is larger than the sum of its proper divisors (5935865).

421441303 is an equidigital number, since it uses as much as digits as its factorization.

421441303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5935864.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 421441303 is about 20529.0356081332. The cubic root of 421441303 is about 749.7429062508.

Adding to 421441303 its reverse (303144124), we get a palindrome (724585427).

The spelling of 421441303 in words is "four hundred twenty-one million, four hundred forty-one thousand, three hundred three".