6751513 has 2 divisors, whose sum is σ = 6751514. Its totient is φ = 6751512.

The previous prime is 6751487. The next prime is 6751529. The reversal of 6751513 is 3151576.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5890329 + 861184 = 2427^2 + 928^2 .

It is a cyclic number.

It is not a de Polignac number, because 6751513 - 2⁹ = 6751001 is a prime.

It is not a weakly prime, because it can be changed into another prime (6751543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3375756 + 3375757.

It is an arithmetic number, because the mean of its divisors is an integer number (3375757).

Almost surely, 2^6751513 is an apocalyptic number.

It is an amenable number.

6751513 is a deficient number, since it is larger than the sum of its proper divisors (1).

6751513 is an equidigital number, since it uses as much as digits as its factorization.

6751513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3150, while the sum is 28.

The square root of 6751513 is about 2598.3673720242. The cubic root of 6751513 is about 189.0022768778.

It can be divided in two parts, 67515 and 13, that added together give a triangular number (67528 = T₃₆₇).

The spelling of 6751513 in words is "six million, seven hundred fifty-one thousand, five hundred thirteen".