525233520 has 360 divisors, whose sum is σ = 2118051936. Its totient is φ = 114250752.

The previous prime is 525233459. The next prime is 525233521. The reversal of 525233520 is 25332525.

It is a tau number, because it is divible by the number of its divisors (360).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525233521) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 2666062 + ... + 2666258.

Almost surely, 2^525233520 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 525233520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1059025968).

525233520 is an abundant number, since it is smaller than the sum of its proper divisors (1592818416).

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

525233520 is a wasteful number, since it uses less digits than its factorization.

525233520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 525233520 is about 22917.9737324223. The cubic root of 525233520 is about 806.8339141263.

The spelling of 525233520 in words is "five hundred twenty-five million, two hundred thirty-three thousand, five hundred twenty".