6623411 has 2 divisors, whose sum is σ = 6623412. Its totient is φ = 6623410.

The previous prime is 6623401. The next prime is 6623413. The reversal of 6623411 is 1143266.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6623411 - 2²² = 2429107 is a prime.

Together with 6623413, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6623413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3311705 + 3311706.

It is an arithmetic number, because the mean of its divisors is an integer number (3311706).

Almost surely, 2^6623411 is an apocalyptic number.

6623411 is a deficient number, since it is larger than the sum of its proper divisors (1).

6623411 is an equidigital number, since it uses as much as digits as its factorization.

6623411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

The square root of 6623411 is about 2573.5988420886. The cubic root of 6623411 is about 187.7992708172.

Adding to 6623411 its reverse (1143266), we get a palindrome (7766677).

The spelling of 6623411 in words is "six million, six hundred twenty-three thousand, four hundred eleven".