526705 has 4 divisors (see below), whose sum is σ = 632052. Its totient is φ = 421360.

The previous prime is 526703. The next prime is 526709. The reversal of 526705 is 507625.

It is a happy number.

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 53361 + 473344 = 231^2 + 688^2 .

It is not a de Polignac number, because 526705 - 2¹ = 526703 is a prime.

It is a d-powerful number, because it can be written as 5 + 2¹⁹ + 7⁴ + 6 + 0 + 5 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 526705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52666 + ... + 52675.

It is an arithmetic number, because the mean of its divisors is an integer number (158013).

2⁵²⁶⁷⁰⁵ is an apocalyptic number.

It is an amenable number.

526705 is a deficient number, since it is larger than the sum of its proper divisors (105347).

526705 is a wasteful number, since it uses less digits than its factorization.

526705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105346.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 526705 is about 725.7444453801. The cubic root of 526705 is about 80.7586679599.

The spelling of 526705 in words is "five hundred twenty-six thousand, seven hundred five".