705863 has 2 divisors, whose sum is σ = 705864. Its totient is φ = 705862.

The previous prime is 705841. The next prime is 705871. The reversal of 705863 is 368507.

705863 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 is an emirp because it is prime and its reverse (368507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 705863 - 2¹⁰ = 704839 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (705833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352931 + 352932.

It is an arithmetic number, because the mean of its divisors is an integer number (352932).

2⁷⁰⁵⁸⁶³ is an apocalyptic number.

705863 is a deficient number, since it is larger than the sum of its proper divisors (1).

705863 is an equidigital number, since it uses as much as digits as its factorization.

705863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 705863 is about 840.1565330342. The cubic root of 705863 is about 89.0376056205.

The spelling of 705863 in words is "seven hundred five thousand, eight hundred sixty-three".