525532000 has 144 divisors (see below), whose sum is σ = 1486543968. Its totient is φ = 178867200.

The previous prime is 525531983. The next prime is 525532031. The reversal of 525532000 is 235525.

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 23 ways as a sum of consecutive naturals, for example, 3835932 + ... + 3836068.

It is an arithmetic number, because the mean of its divisors is an integer number (10323222).

Almost surely, 2^525532000 is an apocalyptic number.

525532000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525532000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (743271984).

525532000 is an abundant number, since it is smaller than the sum of its proper divisors (961011968).

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

525532000 is an equidigital number, since it uses as much as digits as its factorization.

525532000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 151 counting only the distinct ones).

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

The square root of 525532000 is about 22924.4847270337. The cubic root of 525532000 is about 806.9867211943.

Adding to 525532000 its reverse (235525), we get a palindrome (525767525).

The spelling of 525532000 in words is "five hundred twenty-five million, five hundred thirty-two thousand".