705551513 has 2 divisors, whose sum is σ = 705551514. Its totient is φ = 705551512.

The previous prime is 705551503. The next prime is 705551521. The reversal of 705551513 is 315155507.

705551513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 479259664 + 226291849 = 21892^2 + 15043^2 .

It is an emirp because it is prime and its reverse (315155507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 705551513 - 2²⁰ = 704502937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 705551513.

It is not a weakly prime, because it can be changed into another prime (705551503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352775756 + 352775757.

It is an arithmetic number, because the mean of its divisors is an integer number (352775757).

Almost surely, 2^705551513 is an apocalyptic number.

It is an amenable number.

705551513 is a deficient number, since it is larger than the sum of its proper divisors (1).

705551513 is an equidigital number, since it uses as much as digits as its factorization.

705551513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13125, while the sum is 32.

The square root of 705551513 is about 26562.2196549912. The cubic root of 705551513 is about 890.2450669658.

The spelling of 705551513 in words is "seven hundred five million, five hundred fifty-one thousand, five hundred thirteen".