411728281 has 2 divisors, whose sum is σ = 411728282. Its totient is φ = 411728280.

The previous prime is 411728263. The next prime is 411728297. The reversal of 411728281 is 182827114.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 411724681 + 3600 = 20291^2 + 60^2 .

It is a cyclic number.

It is not a de Polignac number, because 411728281 - 2⁹ = 411727769 is a prime.

It is a super-2 number, since 2×411728281² = 339040354750429922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (411728231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205864140 + 205864141.

It is an arithmetic number, because the mean of its divisors is an integer number (205864141).

Almost surely, 2^411728281 is an apocalyptic number.

It is an amenable number.

411728281 is a deficient number, since it is larger than the sum of its proper divisors (1).

411728281 is an equidigital number, since it uses as much as digits as its factorization.

411728281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7168, while the sum is 34.

The square root of 411728281 is about 20291.0887090861. The cubic root of 411728281 is about 743.9382686911.

The spelling of 411728281 in words is "four hundred eleven million, seven hundred twenty-eight thousand, two hundred eighty-one".