411134021 has 2 divisors, whose sum is σ = 411134022. Its totient is φ = 411134020.

The previous prime is 411134011. The next prime is 411134033. The reversal of 411134021 is 120431114.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 410872900 + 261121 = 20270^2 + 511^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-411134021 is a prime.

It is a Sophie Germain prime.

It is a Chen 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 (411134011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205567010 + 205567011.

It is an arithmetic number, because the mean of its divisors is an integer number (205567011).

Almost surely, 2^411134021 is an apocalyptic number.

It is an amenable number.

411134021 is a deficient number, since it is larger than the sum of its proper divisors (1).

411134021 is an equidigital number, since it uses as much as digits as its factorization.

411134021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 411134021 is about 20276.4400475034. The cubic root of 411134021 is about 743.5801800827.

Adding to 411134021 its reverse (120431114), we get a palindrome (531565135).

The spelling of 411134021 in words is "four hundred eleven million, one hundred thirty-four thousand, twenty-one".