525531344 has 80 divisors (see below), whose sum is σ = 1141593600. Its totient is φ = 232727040.

The previous prime is 525531341. The next prime is 525531373. The reversal of 525531344 is 443135525.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 525531344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525531341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 960479 + ... + 961025.

It is an arithmetic number, because the mean of its divisors is an integer number (14269920).

Almost surely, 2^525531344 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 525531344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (570796800).

525531344 is an abundant number, since it is smaller than the sum of its proper divisors (616062256).

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

525531344 is a wasteful number, since it uses less digits than its factorization.

525531344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 742 counting only the distinct ones).

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

The square root of 525531344 is about 22924.4704191831. The cubic root of 525531344 is about 806.9863854180.

Adding to 525531344 its reverse (443135525), we get a palindrome (968666869).

The spelling of 525531344 in words is "five hundred twenty-five million, five hundred thirty-one thousand, three hundred forty-four".