413427221 has 2 divisors, whose sum is σ = 413427222. Its totient is φ = 413427220.

The previous prime is 413427197. The next prime is 413427247. The reversal of 413427221 is 122724314.

It is an a-pointer prime, because the next prime (413427247) can be obtained adding 413427221 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 388287025 + 25140196 = 19705^2 + 5014^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-413427221 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (413427121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206713610 + 206713611.

It is an arithmetic number, because the mean of its divisors is an integer number (206713611).

Almost surely, 2^413427221 is an apocalyptic number.

It is an amenable number.

413427221 is a deficient number, since it is larger than the sum of its proper divisors (1).

413427221 is an equidigital number, since it uses as much as digits as its factorization.

413427221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 26.

The square root of 413427221 is about 20332.9098016000. The cubic root of 413427221 is about 744.9601173791.

The spelling of 413427221 in words is "four hundred thirteen million, four hundred twenty-seven thousand, two hundred twenty-one".