410442421 has 2 divisors, whose sum is σ = 410442422. Its totient is φ = 410442420.

The previous prime is 410442401. The next prime is 410442433. The reversal of 410442421 is 124244014.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206238321 + 204204100 = 14361^2 + 14290^2 .

It is a cyclic number.

It is not a de Polignac number, because 410442421 - 2¹⁹ = 409918133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 410442392 and 410442401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (410442401) 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 as a sum of consecutive naturals, namely, 205221210 + 205221211.

It is an arithmetic number, because the mean of its divisors is an integer number (205221211).

Almost surely, 2^410442421 is an apocalyptic number.

It is an amenable number.

410442421 is a deficient number, since it is larger than the sum of its proper divisors (1).

410442421 is an equidigital number, since it uses as much as digits as its factorization.

410442421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 410442421 is about 20259.3785936292. The cubic root of 410442421 is about 743.1630016974.

Adding to 410442421 its reverse (124244014), we get a palindrome (534686435).

The spelling of 410442421 in words is "four hundred ten million, four hundred forty-two thousand, four hundred twenty-one".