525035220 has 96 divisors (see below), whose sum is σ = 1523343360. Its totient is φ = 134974080.

The previous prime is 525035219. The next prime is 525035339. The reversal of 525035220 is 22530525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 816219 + ... + 816861.

It is an arithmetic number, because the mean of its divisors is an integer number (15868160).

Almost surely, 2^525035220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525035220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (761671680).

525035220 is an abundant number, since it is smaller than the sum of its proper divisors (998308140).

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

525035220 is a wasteful number, since it uses less digits than its factorization.

525035220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125 (or 1123 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 525035220 is about 22913.6470252991. The cubic root of 525035220 is about 806.7323622777.

Adding to 525035220 its reverse (22530525), we get a palindrome (547565745).

It can be divided in two parts, 5250 and 35220, that added together give a triangular number (40470 = T₂₈₄).

The spelling of 525035220 in words is "five hundred twenty-five million, thirty-five thousand, two hundred twenty".