705160405 has 4 divisors (see below), whose sum is σ = 846192492. Its totient is φ = 564128320.

The previous prime is 705160403. The next prime is 705160429. The reversal of 705160405 is 504061507.

705160405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 261889489 + 443270916 = 16183^2 + 21054^2 .

It is not a de Polignac number, because 705160405 - 2¹ = 705160403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705160403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70516036 + ... + 70516045.

It is an arithmetic number, because the mean of its divisors is an integer number (211548123).

Almost surely, 2^705160405 is an apocalyptic number.

It is an amenable number.

705160405 is a deficient number, since it is larger than the sum of its proper divisors (141032087).

705160405 is a wasteful number, since it uses less digits than its factorization.

705160405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141032086.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 705160405 is about 26554.8565238075. The cubic root of 705160405 is about 890.0805402011.

The spelling of 705160405 in words is "seven hundred five million, one hundred sixty thousand, four hundred five".