705443513 has 2 divisors, whose sum is σ = 705443514. Its totient is φ = 705443512.

The previous prime is 705443507. The next prime is 705443521. The reversal of 705443513 is 315344507.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 593019904 + 112423609 = 24352^2 + 10603^2 .

It is an emirp because it is prime and its reverse (315344507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 705443513 - 2²⁸ = 437008057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 705443513.

It is not a weakly prime, because it can be changed into another prime (705443573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352721756 + 352721757.

It is an arithmetic number, because the mean of its divisors is an integer number (352721757).

Almost surely, 2^705443513 is an apocalyptic number.

It is an amenable number.

705443513 is a deficient number, since it is larger than the sum of its proper divisors (1).

705443513 is an equidigital number, since it uses as much as digits as its factorization.

705443513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 705443513 is about 26560.1866145553. The cubic root of 705443513 is about 890.1996408598.

The spelling of 705443513 in words is "seven hundred five million, four hundred forty-three thousand, five hundred thirteen".