421322411 has 4 divisors (see below), whose sum is σ = 435850800. Its totient is φ = 406794024.

The previous prime is 421322401. The next prime is 421322417. The reversal of 421322411 is 114223124.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421322411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421322417) 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, 7264151 + ... + 7264208.

It is an arithmetic number, because the mean of its divisors is an integer number (108962700).

Almost surely, 2^421322411 is an apocalyptic number.

421322411 is a deficient number, since it is larger than the sum of its proper divisors (14528389).

421322411 is a wasteful number, since it uses less digits than its factorization.

421322411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14528388.

The product of its digits is 384, while the sum is 20.

The square root of 421322411 is about 20526.1397003918. The cubic root of 421322411 is about 749.6723967742.

Adding to 421322411 its reverse (114223124), we get a palindrome (535545535).

The spelling of 421322411 in words is "four hundred twenty-one million, three hundred twenty-two thousand, four hundred eleven".