411618401 has 4 divisors (see below), whose sum is σ = 411693204. Its totient is φ = 411543600.

The previous prime is 411618371. The next prime is 411618409. The reversal of 411618401 is 104816114.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2972176 + 408646225 = 1724^2 + 20215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-411618401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (411618409) 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 in 3 ways as a sum of consecutive naturals, for example, 28430 + ... + 40391.

It is an arithmetic number, because the mean of its divisors is an integer number (102923301).

Almost surely, 2^411618401 is an apocalyptic number.

It is an amenable number.

411618401 is a deficient number, since it is larger than the sum of its proper divisors (74803).

411618401 is an equidigital number, since it uses as much as digits as its factorization.

411618401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74802.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 411618401 is about 20288.3809358953. The cubic root of 411618401 is about 743.8720832855.

The spelling of 411618401 in words is "four hundred eleven million, six hundred eighteen thousand, four hundred one".