705038317 has 2 divisors, whose sum is σ = 705038318. Its totient is φ = 705038316.

The previous prime is 705038309. The next prime is 705038329. The reversal of 705038317 is 713830507.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 579172356 + 125865961 = 24066^2 + 11219^2 .

It is a cyclic number.

It is not a de Polignac number, because 705038317 - 2³ = 705038309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (705038357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352519158 + 352519159.

It is an arithmetic number, because the mean of its divisors is an integer number (352519159).

Almost surely, 2^705038317 is an apocalyptic number.

It is an amenable number.

705038317 is a deficient number, since it is larger than the sum of its proper divisors (1).

705038317 is an equidigital number, since it uses as much as digits as its factorization.

705038317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 705038317 is about 26552.5576357533. The cubic root of 705038317 is about 890.0291691824.

The spelling of 705038317 in words is "seven hundred five million, thirty-eight thousand, three hundred seventeen".