6624143 has 2 divisors, whose sum is σ = 6624144. Its totient is φ = 6624142.

The previous prime is 6624127. The next prime is 6624197. The reversal of 6624143 is 3414266.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6624143 - 2⁴ = 6624127 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6624043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3312071 + 3312072.

It is an arithmetic number, because the mean of its divisors is an integer number (3312072).

Almost surely, 2^6624143 is an apocalyptic number.

6624143 is a deficient number, since it is larger than the sum of its proper divisors (1).

6624143 is an equidigital number, since it uses as much as digits as its factorization.

6624143 is an evil number, because the sum of its binary digits is even.

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

The square root of 6624143 is about 2573.7410514657. The cubic root of 6624143 is about 187.8061889042.

The spelling of 6624143 in words is "six million, six hundred twenty-four thousand, one hundred forty-three".