413335421 has 2 divisors, whose sum is σ = 413335422. Its totient is φ = 413335420.

The previous prime is 413335397. The next prime is 413335423. The reversal of 413335421 is 124533314.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 403005625 + 10329796 = 20075^2 + 3214^2 .

It is a cyclic number.

It is not a de Polignac number, because 413335421 - 2⁶ = 413335357 is a prime.

It is a Sophie Germain prime.

Together with 413335423, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (413335423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206667710 + 206667711.

It is an arithmetic number, because the mean of its divisors is an integer number (206667711).

Almost surely, 2^413335421 is an apocalyptic number.

It is an amenable number.

413335421 is a deficient number, since it is larger than the sum of its proper divisors (1).

413335421 is an equidigital number, since it uses as much as digits as its factorization.

413335421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 26.

The square root of 413335421 is about 20330.6522522028. The cubic root of 413335421 is about 744.9049747424.

Adding to 413335421 its reverse (124533314), we get a palindrome (537868735).

The spelling of 413335421 in words is "four hundred thirteen million, three hundred thirty-five thousand, four hundred twenty-one".