525005320 has 64 divisors (see below), whose sum is σ = 1354579200. Its totient is φ = 179393280.

The previous prime is 525005303. The next prime is 525005431. The reversal of 525005320 is 23500525.

It is a junction number, because it is equal to n+sod(n) for n = 525005291 and 525005300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84066 + ... + 90094.

It is an arithmetic number, because the mean of its divisors is an integer number (21165300).

Almost surely, 2^525005320 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 525005320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (677289600).

525005320 is an abundant number, since it is smaller than the sum of its proper divisors (829573880).

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

525005320 is a wasteful number, since it uses less digits than its factorization.

525005320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6358 (or 6354 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 525005320 is about 22912.9945664027. The cubic root of 525005320 is about 806.7170479048.

Adding to 525005320 its reverse (23500525), we get a palindrome (548505845).

The spelling of 525005320 in words is "five hundred twenty-five million, five thousand, three hundred twenty".