705982061 has 4 divisors (see below), whose sum is σ = 730326300. Its totient is φ = 681637824.

The previous prime is 705982027. The next prime is 705982063. The reversal of 705982061 is 160289507.

705982061 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 366722500 + 339259561 = 19150^2 + 18419^2 .

It is a cyclic number.

It is not a de Polignac number, because 705982061 - 2¹⁰ = 705981037 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 (705982063) 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, 12172076 + ... + 12172133.

It is an arithmetic number, because the mean of its divisors is an integer number (182581575).

Almost surely, 2^705982061 is an apocalyptic number.

It is an amenable number.

705982061 is a deficient number, since it is larger than the sum of its proper divisors (24344239).

705982061 is a wasteful number, since it uses less digits than its factorization.

705982061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24344238.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 705982061 is about 26570.3229374428. The cubic root of 705982061 is about 890.4261145987.

The spelling of 705982061 in words is "seven hundred five million, nine hundred eighty-two thousand, sixty-one".