421314205 has 8 divisors (see below), whose sum is σ = 544467672. Its totient is φ = 311124288.

The previous prime is 421314203. The next prime is 421314217. The reversal of 421314205 is 502413124.

It can be written as a sum of positive squares in 4 ways, for example, as 39463524 + 381850681 = 6282^2 + 19541^2 .

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 421314205 - 2¹ = 421314203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421314203) 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 7 ways as a sum of consecutive naturals, for example, 3240814 + ... + 3240943.

It is an arithmetic number, because the mean of its divisors is an integer number (68058459).

Almost surely, 2^421314205 is an apocalyptic number.

It is an amenable number.

421314205 is a deficient number, since it is larger than the sum of its proper divisors (123153467).

421314205 is a wasteful number, since it uses less digits than its factorization.

421314205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6481775.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 421314205 is about 20525.9398079601. The cubic root of 421314205 is about 749.6675296768.

Adding to 421314205 its reverse (502413124), we get a palindrome (923727329).

The spelling of 421314205 in words is "four hundred twenty-one million, three hundred fourteen thousand, two hundred five".