6627617 has 2 divisors, whose sum is σ = 6627618. Its totient is φ = 6627616.

The previous prime is 6627601. The next prime is 6627623. The reversal of 6627617 is 7167266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5973136 + 654481 = 2444^2 + 809^2 .

It is a cyclic number.

It is not a de Polignac number, because 6627617 - 2⁴ = 6627601 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6627667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3313808 + 3313809.

It is an arithmetic number, because the mean of its divisors is an integer number (3313809).

Almost surely, 2^6627617 is an apocalyptic number.

It is an amenable number.

6627617 is a deficient number, since it is larger than the sum of its proper divisors (1).

6627617 is an equidigital number, since it uses as much as digits as its factorization.

6627617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 35.

The square root of 6627617 is about 2574.4158560730. The cubic root of 6627617 is about 187.8390145179.

The spelling of 6627617 in words is "six million, six hundred twenty-seven thousand, six hundred seventeen".