705261 has 8 divisors (see below), whose sum is σ = 989920. Its totient is φ = 445392.

The previous prime is 705259. The next prime is 705269. The reversal of 705261 is 162507.

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

It is not a de Polignac number, because 705261 - 2¹ = 705259 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 (705269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6130 + ... + 6243.

It is an arithmetic number, because the mean of its divisors is an integer number (123740).

2⁷⁰⁵²⁶¹ is an apocalyptic number.

It is an amenable number.

705261 is a deficient number, since it is larger than the sum of its proper divisors (284659).

705261 is a wasteful number, since it uses less digits than its factorization.

705261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12395.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 705261 is about 839.7981900433. The cubic root of 705261 is about 89.0122863146.

Adding to 705261 its reverse (162507), we get a palindrome (867768).

The spelling of 705261 in words is "seven hundred five thousand, two hundred sixty-one".