6947513 has 2 divisors, whose sum is σ = 6947514. Its totient is φ = 6947512.

The previous prime is 6947489. The next prime is 6947519. The reversal of 6947513 is 3157496.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6620329 + 327184 = 2573^2 + 572^2 .

It is a cyclic number.

It is not a de Polignac number, because 6947513 - 2⁸ = 6947257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6947519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3473756 + 3473757.

It is an arithmetic number, because the mean of its divisors is an integer number (3473757).

Almost surely, 2^6947513 is an apocalyptic number.

It is an amenable number.

6947513 is a deficient number, since it is larger than the sum of its proper divisors (1).

6947513 is an equidigital number, since it uses as much as digits as its factorization.

6947513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 6947513 is about 2635.8135366524. The cubic root of 6947513 is about 190.8138039082.

The spelling of 6947513 in words is "six million, nine hundred forty-seven thousand, five hundred thirteen".