6717149 has 2 divisors, whose sum is σ = 6717150. Its totient is φ = 6717148.

The previous prime is 6717143. The next prime is 6717169. The reversal of 6717149 is 9417176.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5522500 + 1194649 = 2350^2 + 1093^2 .

It is a cyclic number.

It is not a de Polignac number, because 6717149 - 2²⁰ = 5668573 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6717143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3358574 + 3358575.

It is an arithmetic number, because the mean of its divisors is an integer number (3358575).

Almost surely, 2^6717149 is an apocalyptic number.

It is an amenable number.

6717149 is a deficient number, since it is larger than the sum of its proper divisors (1).

6717149 is an equidigital number, since it uses as much as digits as its factorization.

6717149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 35.

The square root of 6717149 is about 2591.7463224629. The cubic root of 6717149 is about 188.6810686411.

The spelling of 6717149 in words is "six million, seven hundred seventeen thousand, one hundred forty-nine".