7285327513 has 2 divisors, whose sum is σ = 7285327514. Its totient is φ = 7285327512.

The previous prime is 7285327471. The next prime is 7285327531. The reversal of 7285327513 is 3157235827.

It is a happy number.

Together with next prime (7285327531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7284963904 + 363609 = 85352^2 + 603^2 .

It is a cyclic number.

It is not a de Polignac number, because 7285327513 - 2⁹ = 7285327001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7285327513.

It is not a weakly prime, because it can be changed into another prime (7285327213) 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, 3642663756 + 3642663757.

It is an arithmetic number, because the mean of its divisors is an integer number (3642663757).

Almost surely, 2^7285327513 is an apocalyptic number.

It is an amenable number.

7285327513 is a deficient number, since it is larger than the sum of its proper divisors (1).

7285327513 is an equidigital number, since it uses as much as digits as its factorization.

7285327513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 352800, while the sum is 43.

The square root of 7285327513 is about 85354.1300289564. The cubic root of 7285327513 is about 1938.5768704298.

The spelling of 7285327513 in words is "seven billion, two hundred eighty-five million, three hundred twenty-seven thousand, five hundred thirteen".