525323232 has 168 divisors, whose sum is σ = 1772706096. Its totient is φ = 150045696.

The previous prime is 525323209. The next prime is 525323261. The reversal of 525323232 is 232323525.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 525323196 and 525323205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 161688 + ... + 164904.

It is an arithmetic number, because the mean of its divisors is an integer number (10551822).

Almost surely, 2^525323232 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 525323232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (886353048).

525323232 is an abundant number, since it is smaller than the sum of its proper divisors (1247382864).

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

525323232 is an equidigital number, since it uses as much as digits as its factorization.

525323232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3252 (or 3229 counting only the distinct ones).

The product of its digits is 10800, while the sum is 27.

The square root of 525323232 is about 22919.9308899482. The cubic root of 525323232 is about 806.8798483382.

Adding to 525323232 its reverse (232323525), we get a palindrome (757646757).

It can be divided in two parts, 5253232 and 32, that added together give a square (5253264 = 2292²).

The spelling of 525323232 in words is "five hundred twenty-five million, three hundred twenty-three thousand, two hundred thirty-two".