705165505 has 16 divisors (see below), whose sum is σ = 925588800. Its totient is φ = 511479360.

The previous prime is 705165493. The next prime is 705165509. The reversal of 705165505 is 505561507.

It is a de Polignac number, because none of the positive numbers 2^k-705165505 is a prime.

It is not an unprimeable number, because it can be changed into a prime (705165509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3931 + ... + 37759.

It is an arithmetic number, because the mean of its divisors is an integer number (57849300).

Almost surely, 2^705165505 is an apocalyptic number.

It is an amenable number.

705165505 is a deficient number, since it is larger than the sum of its proper divisors (220423295).

705165505 is a wasteful number, since it uses less digits than its factorization.

705165505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34224.

The product of its (nonzero) digits is 26250, while the sum is 34.

The square root of 705165505 is about 26554.9525512662. The cubic root of 705165505 is about 890.0826860012.

The spelling of 705165505 in words is "seven hundred five million, one hundred sixty-five thousand, five hundred five".