413432021 has 2 divisors, whose sum is σ = 413432022. Its totient is φ = 413432020.

The previous prime is 413432011. The next prime is 413432029. The reversal of 413432021 is 120234314.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250588900 + 162843121 = 15830^2 + 12761^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-413432021 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 413431984 and 413432002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (413432029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206716010 + 206716011.

It is an arithmetic number, because the mean of its divisors is an integer number (206716011).

Almost surely, 2^413432021 is an apocalyptic number.

It is an amenable number.

413432021 is a deficient number, since it is larger than the sum of its proper divisors (1).

413432021 is an equidigital number, since it uses as much as digits as its factorization.

413432021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 413432021 is about 20333.0278365029. The cubic root of 413432021 is about 744.9630004297.

Adding to 413432021 its reverse (120234314), we get a palindrome (533666335).

The spelling of 413432021 in words is "four hundred thirteen million, four hundred thirty-two thousand, twenty-one".