705165051 has 4 divisors (see below), whose sum is σ = 940220072. Its totient is φ = 470110032.

The previous prime is 705165047. The next prime is 705165061. The reversal of 705165051 is 150561507.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150561507 = 3 ⋅50187169.

It is not a de Polignac number, because 705165051 - 2² = 705165047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (705165001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117527506 + ... + 117527511.

It is an arithmetic number, because the mean of its divisors is an integer number (235055018).

Almost surely, 2^705165051 is an apocalyptic number.

705165051 is a deficient number, since it is larger than the sum of its proper divisors (235055021).

705165051 is a wasteful number, since it uses less digits than its factorization.

705165051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235055020.

The product of its (nonzero) digits is 5250, while the sum is 30.

The square root of 705165051 is about 26554.9440029536. The cubic root of 705165051 is about 890.0824949834.

The spelling of 705165051 in words is "seven hundred five million, one hundred sixty-five thousand, fifty-one".