411240281 has 2 divisors, whose sum is σ = 411240282. Its totient is φ = 411240280.

The previous prime is 411240241. The next prime is 411240283. The reversal of 411240281 is 182042114.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 361608256 + 49632025 = 19016^2 + 7045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-411240281 is a prime.

It is a super-2 number, since 2×411240281² = 338237137433917922, which contains 22 as substring.

Together with 411240283, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (411240283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205620140 + 205620141.

It is an arithmetic number, because the mean of its divisors is an integer number (205620141).

Almost surely, 2^411240281 is an apocalyptic number.

It is an amenable number.

411240281 is a deficient number, since it is larger than the sum of its proper divisors (1).

411240281 is an equidigital number, since it uses as much as digits as its factorization.

411240281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 411240281 is about 20279.0601606682. The cubic root of 411240281 is about 743.6442354513.

Adding to 411240281 its reverse (182042114), we get a palindrome (593282395).

The spelling of 411240281 in words is "four hundred eleven million, two hundred forty thousand, two hundred eighty-one".