6625943 has 2 divisors, whose sum is σ = 6625944. Its totient is φ = 6625942.

The previous prime is 6625939. The next prime is 6625979. The reversal of 6625943 is 3495266.

6625943 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6625943 - 2² = 6625939 is a prime.

It is a super-3 number, since 3×6625943³ (a number of 21 digits) contains 333 as substring.

It is a d-powerful number, because it can be written as 6 + 6⁸ + 2³ + 5⁷ + 9⁷ + 4⁸ + 3⁹ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6625043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3312971 + 3312972.

It is an arithmetic number, because the mean of its divisors is an integer number (3312972).

Almost surely, 2^6625943 is an apocalyptic number.

6625943 is a deficient number, since it is larger than the sum of its proper divisors (1).

6625943 is an equidigital number, since it uses as much as digits as its factorization.

6625943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 35.

The square root of 6625943 is about 2574.0907132423. The cubic root of 6625943 is about 187.8231984266.

The spelling of 6625943 in words is "six million, six hundred twenty-five thousand, nine hundred forty-three".