411218065 has 8 divisors (see below), whose sum is σ = 494636328. Its totient is φ = 328191360.

The previous prime is 411218051. The next prime is 411218077. The reversal of 411218065 is 560812114.

It can be written as a sum of positive squares in 4 ways, for example, as 66781584 + 344436481 = 8172^2 + 18559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 411218065 - 2⁵ = 411218033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95572 + ... + 99781.

It is an arithmetic number, because the mean of its divisors is an integer number (61829541).

Almost surely, 2^411218065 is an apocalyptic number.

It is an amenable number.

411218065 is a deficient number, since it is larger than the sum of its proper divisors (83418263).

411218065 is a wasteful number, since it uses less digits than its factorization.

411218065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195779.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 411218065 is about 20278.5123961300. The cubic root of 411218065 is about 743.6308441741.

The spelling of 411218065 in words is "four hundred eleven million, two hundred eighteen thousand, sixty-five".