421411433 has 4 divisors (see below), whose sum is σ = 421507968. Its totient is φ = 421314900.

The previous prime is 421411387. The next prime is 421411439. The reversal of 421411433 is 334114124.

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 not a de Polignac number, because 421411433 - 2⁶ = 421411369 is a prime.

It is a super-2 number, since 2×421411433² = 355175191726226978, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 421411399 and 421411408.

It is not an unprimeable number, because it can be changed into a prime (421411439) 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, 41393 + ... + 50558.

It is an arithmetic number, because the mean of its divisors is an integer number (105376992).

Almost surely, 2^421411433 is an apocalyptic number.

It is an amenable number.

421411433 is a deficient number, since it is larger than the sum of its proper divisors (96535).

421411433 is an equidigital number, since it uses as much as digits as its factorization.

421411433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96534.

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

The square root of 421411433 is about 20528.3080890754. The cubic root of 421411433 is about 749.7251929500.

Adding to 421411433 its reverse (334114124), we get a palindrome (755525557).

The spelling of 421411433 in words is "four hundred twenty-one million, four hundred eleven thousand, four hundred thirty-three".