526218 has 64 divisors (see below), whose sum is σ = 1410048. Its totient is φ = 126720.

The previous prime is 526213. The next prime is 526223. The reversal of 526218 is 812625.

It is an interprime number because it is at equal distance from previous prime (526213) and next prime (526223).

It is a d-powerful number, because it can be written as 5⁴ + 2¹⁸ + 2¹⁸ + 6⁴ + 1 + 8 .

It is a Curzon number.

It is a nialpdrome in base 7.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 526218.

It is not an unprimeable number, because it can be changed into a prime (526213) 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 31 ways as a sum of consecutive naturals, for example, 7821 + ... + 7887.

It is an arithmetic number, because the mean of its divisors is an integer number (22032).

2⁵²⁶²¹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 526218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (705024).

526218 is an abundant number, since it is smaller than the sum of its proper divisors (883830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

526218 is a wasteful number, since it uses less digits than its factorization.

526218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107.

The product of its digits is 960, while the sum is 24.

The square root of 526218 is about 725.4088502355. The cubic root of 526218 is about 80.7337700259.

The spelling of 526218 in words is "five hundred twenty-six thousand, two hundred eighteen".