525503264 has 96 divisors (see below), whose sum is σ = 1268555904. Its totient is φ = 210862080.

The previous prime is 525503257. The next prime is 525503317. The reversal of 525503264 is 462305525.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 525503264.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102752 + ... + 107744.

It is an arithmetic number, because the mean of its divisors is an integer number (13214124).

Almost surely, 2^525503264 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 525503264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (634277952).

525503264 is an abundant number, since it is smaller than the sum of its proper divisors (743052640).

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

525503264 is a wasteful number, since it uses less digits than its factorization.

525503264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050 (or 5042 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 525503264 is about 22923.8579650110. The cubic root of 525503264 is about 806.9720122941.

Adding to 525503264 its reverse (462305525), we get a palindrome (987808789).

The spelling of 525503264 in words is "five hundred twenty-five million, five hundred three thousand, two hundred sixty-four".