414143021 has 2 divisors, whose sum is σ = 414143022. Its totient is φ = 414143020.

The previous prime is 414143017. The next prime is 414143027. The reversal of 414143021 is 120341414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 289374121 + 124768900 = 17011^2 + 11170^2 .

It is a cyclic number.

It is not a de Polignac number, because 414143021 - 2² = 414143017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 414142984 and 414143002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (414143027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207071510 + 207071511.

It is an arithmetic number, because the mean of its divisors is an integer number (207071511).

Almost surely, 2^414143021 is an apocalyptic number.

It is an amenable number.

414143021 is a deficient number, since it is larger than the sum of its proper divisors (1).

414143021 is an equidigital number, since it uses as much as digits as its factorization.

414143021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 414143021 is about 20350.5041952282. The cubic root of 414143021 is about 745.3898060660.

Adding to 414143021 its reverse (120341414), we get a palindrome (534484435).

The spelling of 414143021 in words is "four hundred fourteen million, one hundred forty-three thousand, twenty-one".