6401411 has 2 divisors, whose sum is σ = 6401412. Its totient is φ = 6401410.

The previous prime is 6401399. The next prime is 6401413. The reversal of 6401411 is 1141046.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6401411 is a prime.

Together with 6401413, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6401411.

It is not a weakly prime, because it can be changed into another prime (6401413) 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, 3200705 + 3200706.

It is an arithmetic number, because the mean of its divisors is an integer number (3200706).

Almost surely, 2^6401411 is an apocalyptic number.

6401411 is a deficient number, since it is larger than the sum of its proper divisors (1).

6401411 is an equidigital number, since it uses as much as digits as its factorization.

6401411 is an odious number, because the sum of its binary digits is odd.

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

The square root of 6401411 is about 2530.1009861268. The cubic root of 6401411 is about 185.6771966791.

Adding to 6401411 its reverse (1141046), we get a palindrome (7542457).

The spelling of 6401411 in words is "six million, four hundred one thousand, four hundred eleven".