6917513 has 2 divisors, whose sum is σ = 6917514. Its totient is φ = 6917512.

The previous prime is 6917497. The next prime is 6917531. The reversal of 6917513 is 3157196.

Together with next prime (6917531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6901129 + 16384 = 2627^2 + 128^2 .

It is a cyclic number.

It is not a de Polignac number, because 6917513 - 2⁴ = 6917497 is a prime.

It is a super-2 number, since 2×6917513² = 95703972210338, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6917513.

It is not a weakly prime, because it can be changed into another prime (6917543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3458756 + 3458757.

It is an arithmetic number, because the mean of its divisors is an integer number (3458757).

Almost surely, 2^6917513 is an apocalyptic number.

It is an amenable number.

6917513 is a deficient number, since it is larger than the sum of its proper divisors (1).

6917513 is an equidigital number, since it uses as much as digits as its factorization.

6917513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670, while the sum is 32.

The square root of 6917513 is about 2630.1165373420. The cubic root of 6917513 is about 190.5387571178.

The spelling of 6917513 in words is "six million, nine hundred seventeen thousand, five hundred thirteen".