413143021 has 2 divisors, whose sum is σ = 413143022. Its totient is φ = 413143020.

The previous prime is 413143009. The next prime is 413143033. The reversal of 413143021 is 120341314.

It is a balanced prime because it is at equal distance from previous prime (413143009) and next prime (413143033).

It can be written as a sum of positive squares in only one way, i.e., 379665225 + 33477796 = 19485^2 + 5786^2 .

It is a cyclic number.

It is not a de Polignac number, because 413143021 - 2¹⁹ = 412618733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 413143021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (413143051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206571510 + 206571511.

It is an arithmetic number, because the mean of its divisors is an integer number (206571511).

Almost surely, 2^413143021 is an apocalyptic number.

It is an amenable number.

413143021 is a deficient number, since it is larger than the sum of its proper divisors (1).

413143021 is an equidigital number, since it uses as much as digits as its factorization.

413143021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 413143021 is about 20325.9199299810. The cubic root of 413143021 is about 744.7893769711.

Adding to 413143021 its reverse (120341314), we get a palindrome (533484335).

The spelling of 413143021 in words is "four hundred thirteen million, one hundred forty-three thousand, twenty-one".