421441113 has 4 divisors (see below), whose sum is σ = 561921488. Its totient is φ = 280960740.

The previous prime is 421441103. The next prime is 421441117. The reversal of 421441113 is 311144124.

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 421441113 - 2⁹ = 421440601 is a prime.

It is a super-2 number, since 2×421441113² = 355225223453357538, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 421441113.

It is not an unprimeable number, because it can be changed into a prime (421441117) 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, 70240183 + ... + 70240188.

It is an arithmetic number, because the mean of its divisors is an integer number (140480372).

Almost surely, 2^421441113 is an apocalyptic number.

It is an amenable number.

421441113 is a deficient number, since it is larger than the sum of its proper divisors (140480375).

421441113 is a wasteful number, since it uses less digits than its factorization.

421441113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140480374.

The product of its digits is 384, while the sum is 21.

The square root of 421441113 is about 20529.0309805407. The cubic root of 421441113 is about 749.7427935810.

Adding to 421441113 its reverse (311144124), we get a palindrome (732585237).

The spelling of 421441113 in words is "four hundred twenty-one million, four hundred forty-one thousand, one hundred thirteen".