526245220 has 24 divisors (see below), whose sum is σ = 1105582464. Its totient is φ = 210409056.

The previous prime is 526245199. The next prime is 526245233. The reversal of 526245220 is 22542625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64279 + ... + 72001.

It is an arithmetic number, because the mean of its divisors is an integer number (46065936).

Almost surely, 2^526245220 is an apocalyptic number.

It is an amenable number.

526245220 is an abundant number, since it is smaller than the sum of its proper divisors (579337244).

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

526245220 is a wasteful number, since it uses less digits than its factorization.

526245220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11139 (or 11137 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 526245220 is about 22940.0353094759. The cubic root of 526245220 is about 807.3516205687.

Adding to 526245220 its reverse (22542625), we get a palindrome (548787845).

The spelling of 526245220 in words is "five hundred twenty-six million, two hundred forty-five thousand, two hundred twenty".