411221429 has 2 divisors, whose sum is σ = 411221430. Its totient is φ = 411221428.

The previous prime is 411221407. The next prime is 411221497. The reversal of 411221429 is 924122114.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 266668900 + 144552529 = 16330^2 + 12023^2 .

It is a cyclic number.

It is not a de Polignac number, because 411221429 - 2¹² = 411217333 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 411221398 and 411221407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (411223429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205610714 + 205610715.

It is an arithmetic number, because the mean of its divisors is an integer number (205610715).

Almost surely, 2^411221429 is an apocalyptic number.

It is an amenable number.

411221429 is a deficient number, since it is larger than the sum of its proper divisors (1).

411221429 is an equidigital number, since it uses as much as digits as its factorization.

411221429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 26.

The square root of 411221429 is about 20278.5953409007. The cubic root of 411221429 is about 743.6328719444.

The spelling of 411221429 in words is "four hundred eleven million, two hundred twenty-one thousand, four hundred twenty-nine".