705331 has 8 divisors (see below), whose sum is σ = 790704. Its totient is φ = 623520.

The previous prime is 705317. The next prime is 705389. The reversal of 705331 is 133507.

705331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 705331 - 2⁹ = 704819 is a prime.

It is a super-2 number, since 2×705331² = 994983639122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 705299 and 705308.

It is not an unprimeable number, because it can be changed into a prime (705031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460 + ... + 1273.

It is an arithmetic number, because the mean of its divisors is an integer number (98838).

2⁷⁰⁵³³¹ is an apocalyptic number.

705331 is a deficient number, since it is larger than the sum of its proper divisors (85373).

705331 is a wasteful number, since it uses less digits than its factorization.

705331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781.

The product of its (nonzero) digits is 315, while the sum is 19.

The square root of 705331 is about 839.8398656887. The cubic root of 705331 is about 89.0152311600.

Adding to 705331 its reverse (133507), we get a palindrome (838838).

The spelling of 705331 in words is "seven hundred five thousand, three hundred thirty-one".