525445232 has 40 divisors (see below), whose sum is σ = 1100554560. Its totient is φ = 241585920.

The previous prime is 525445223. The next prime is 525445237. The reversal of 525445232 is 232544525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525445237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51257 + ... + 60647.

It is an arithmetic number, because the mean of its divisors is an integer number (27513864).

Almost surely, 2^525445232 is an apocalyptic number.

525445232 is a gapful number since it is divisible by the number (52) 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 525445232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (550277280).

525445232 is an abundant number, since it is smaller than the sum of its proper divisors (575109328).

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

525445232 is a wasteful number, since it uses less digits than its factorization.

525445232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9681 (or 9675 counting only the distinct ones).

The product of its digits is 48000, while the sum is 32.

The square root of 525445232 is about 22922.5921745338. The cubic root of 525445232 is about 806.9423062156.

Adding to 525445232 its reverse (232544525), we get a palindrome (757989757).

It can be divided in two parts, 52544523 and 2, that added together give a palindrome (52544525).

The spelling of 525445232 in words is "five hundred twenty-five million, four hundred forty-five thousand, two hundred thirty-two".