421313441 has 8 divisors (see below), whose sum is σ = 437020320. Its totient is φ = 405875232.

The previous prime is 421313419. The next prime is 421313489. The reversal of 421313441 is 144313124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 421313441 - 2¹⁰ = 421312417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421313401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63971 + ... + 70248.

It is an arithmetic number, because the mean of its divisors is an integer number (54627540).

Almost surely, 2^421313441 is an apocalyptic number.

It is an amenable number.

421313441 is a deficient number, since it is larger than the sum of its proper divisors (15706879).

421313441 is a wasteful number, since it uses less digits than its factorization.

421313441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134335.

The product of its digits is 1152, while the sum is 23.

The square root of 421313441 is about 20525.9211973543. The cubic root of 421313441 is about 749.6670765341.

Adding to 421313441 its reverse (144313124), we get a palindrome (565626565).

The spelling of 421313441 in words is "four hundred twenty-one million, three hundred thirteen thousand, four hundred forty-one".