526220 has 24 divisors (see below), whose sum is σ = 1121904. Its totient is φ = 207296.

The previous prime is 526213. The next prime is 526223. The reversal of 526220 is 22625.

It is not an unprimeable number, because it can be changed into a prime (526223) 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 7 ways as a sum of consecutive naturals, for example, 1502 + ... + 1818.

It is an arithmetic number, because the mean of its divisors is an integer number (46746).

2⁵²⁶²²⁰ is an apocalyptic number.

It is an amenable number.

526220 is an abundant number, since it is smaller than the sum of its proper divisors (595684).

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

526220 is a wasteful number, since it uses less digits than its factorization.

526220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 526220 is about 725.4102287671. The cubic root of 526220 is about 80.7338723075.

Adding to 526220 its reverse (22625), we get a palindrome (548845).

The spelling of 526220 in words is "five hundred twenty-six thousand, two hundred twenty".