705961 has 4 divisors (see below), whose sum is σ = 711252. Its totient is φ = 700672.

The previous prime is 705949. The next prime is 705967. The reversal of 705961 is 169507.

705961 = T₂₅ + T₂₆ + ... + T₁₆₁.

It is a happy number.

705961 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 430336 + 275625 = 656^2 + 525^2 .

It is a cyclic number.

It is not a de Polignac number, because 705961 - 2⁷ = 705833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (705967) 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, 2440 + ... + 2713.

It is an arithmetic number, because the mean of its divisors is an integer number (177813).

2⁷⁰⁵⁹⁶¹ is an apocalyptic number.

It is an amenable number.

705961 is a deficient number, since it is larger than the sum of its proper divisors (5291).

705961 is a wasteful number, since it uses less digits than its factorization.

705961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 705961 is about 840.2148534750. The cubic root of 705961 is about 89.0417260053.

The spelling of 705961 in words is "seven hundred five thousand, nine hundred sixty-one".