3247697513 has 2 divisors, whose sum is σ = 3247697514. Its totient is φ = 3247697512.

The previous prime is 3247697503. The next prime is 3247697567. The reversal of 3247697513 is 3157967423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2730271504 + 517426009 = 52252^2 + 22747^2 .

It is a cyclic number.

It is not a de Polignac number, because 3247697513 - 2¹² = 3247693417 is a prime.

It is not a weakly prime, because it can be changed into another prime (3247697503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1623848756 + 1623848757.

It is an arithmetic number, because the mean of its divisors is an integer number (1623848757).

Almost surely, 2^3247697513 is an apocalyptic number.

It is an amenable number.

3247697513 is a deficient number, since it is larger than the sum of its proper divisors (1).

3247697513 is an equidigital number, since it uses as much as digits as its factorization.

3247697513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 47.

The square root of 3247697513 is about 56988.5735301385. The cubic root of 3247697513 is about 1480.8981511195.

The spelling of 3247697513 in words is "three billion, two hundred forty-seven million, six hundred ninety-seven thousand, five hundred thirteen".