6625859 has 2 divisors, whose sum is σ = 6625860. Its totient is φ = 6625858.

The previous prime is 6625841. The next prime is 6625873. The reversal of 6625859 is 9585266.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6625859 - 2⁸ = 6625603 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 6⁶ + 6⁷ + 2²² + 5⁴ + 8⁷ + 5⁴ + 9⁴ .

It is not a weakly prime, because it can be changed into another prime (6625819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3312929 + 3312930.

It is an arithmetic number, because the mean of its divisors is an integer number (3312930).

Almost surely, 2^6625859 is an apocalyptic number.

6625859 is a deficient number, since it is larger than the sum of its proper divisors (1).

6625859 is an equidigital number, since it uses as much as digits as its factorization.

6625859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 41.

The square root of 6625859 is about 2574.0743967492. The cubic root of 6625859 is about 187.8224047174.

The spelling of 6625859 in words is "six million, six hundred twenty-five thousand, eight hundred fifty-nine".