411640343 has 2 divisors, whose sum is σ = 411640344. Its totient is φ = 411640342.

The previous prime is 411640331. The next prime is 411640349. The reversal of 411640343 is 343046114.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 411640343 - 2⁸ = 411640087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (411640349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205820171 + 205820172.

It is an arithmetic number, because the mean of its divisors is an integer number (205820172).

Almost surely, 2^411640343 is an apocalyptic number.

411640343 is a deficient number, since it is larger than the sum of its proper divisors (1).

411640343 is an equidigital number, since it uses as much as digits as its factorization.

411640343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 411640343 is about 20288.9216815483. The cubic root of 411640343 is about 743.8853008281.

Adding to 411640343 its reverse (343046114), we get a palindrome (754686457).

The spelling of 411640343 in words is "four hundred eleven million, six hundred forty thousand, three hundred forty-three".