6509677 has 2 divisors, whose sum is σ = 6509678. Its totient is φ = 6509676.

The previous prime is 6509617. The next prime is 6509681. The reversal of 6509677 is 7769056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5103081 + 1406596 = 2259^2 + 1186^2 .

It is a cyclic number.

It is not a de Polignac number, because 6509677 - 2¹⁹ = 5985389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6509617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3254838 + 3254839.

It is an arithmetic number, because the mean of its divisors is an integer number (3254839).

Almost surely, 2^6509677 is an apocalyptic number.

It is an amenable number.

6509677 is a deficient number, since it is larger than the sum of its proper divisors (1).

6509677 is an equidigital number, since it uses as much as digits as its factorization.

6509677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 6509677 is about 2551.4068668090. The cubic root of 6509677 is about 186.7181260479.

The spelling of 6509677 in words is "six million, five hundred nine thousand, six hundred seventy-seven".