410342021 has 2 divisors, whose sum is σ = 410342022. Its totient is φ = 410342020.

The previous prime is 410342017. The next prime is 410342027. The reversal of 410342021 is 120243014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 301890625 + 108451396 = 17375^2 + 10414^2 .

It is a cyclic number.

It is not a de Polignac number, because 410342021 - 2² = 410342017 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (410342027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205171010 + 205171011.

It is an arithmetic number, because the mean of its divisors is an integer number (205171011).

Almost surely, 2^410342021 is an apocalyptic number.

It is an amenable number.

410342021 is a deficient number, since it is larger than the sum of its proper divisors (1).

410342021 is an equidigital number, since it uses as much as digits as its factorization.

410342021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 410342021 is about 20256.9005773341. The cubic root of 410342021 is about 743.1024007083.

Adding to 410342021 its reverse (120243014), we get a palindrome (530585035).

The spelling of 410342021 in words is "four hundred ten million, three hundred forty-two thousand, twenty-one".