411232021 has 2 divisors, whose sum is σ = 411232022. Its totient is φ = 411232020.

The previous prime is 411232013. The next prime is 411232033. The reversal of 411232021 is 120232114.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 341843121 + 69388900 = 18489^2 + 8330^2 .

It is a cyclic number.

It is not a de Polignac number, because 411232021 - 2³ = 411232013 is a prime.

It is a super-2 number, since 2×411232021² = 338223550191488882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 411231986 and 411232004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (411232621) 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, 205616010 + 205616011.

It is an arithmetic number, because the mean of its divisors is an integer number (205616011).

Almost surely, 2^411232021 is an apocalyptic number.

It is an amenable number.

411232021 is a deficient number, since it is larger than the sum of its proper divisors (1).

411232021 is an equidigital number, since it uses as much as digits as its factorization.

411232021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 411232021 is about 20278.8565012922. The cubic root of 411232021 is about 743.6392565758.

Adding to 411232021 its reverse (120232114), we get a palindrome (531464135).

The spelling of 411232021 in words is "four hundred eleven million, two hundred thirty-two thousand, twenty-one".