525440324 has 12 divisors (see below), whose sum is σ = 922517904. Its totient is φ = 261863784.

The previous prime is 525440317. The next prime is 525440329. The reversal of 525440324 is 423044525.

It is not an unprimeable number, because it can be changed into a prime (525440329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212714 + ... + 215169.

It is an arithmetic number, because the mean of its divisors is an integer number (76876492).

Almost surely, 2^525440324 is an apocalyptic number.

It is an amenable number.

525440324 is a deficient number, since it is larger than the sum of its proper divisors (397077580).

525440324 is a wasteful number, since it uses less digits than its factorization.

525440324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428194 (or 428192 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 525440324 is about 22922.4851183287. The cubic root of 525440324 is about 806.9397937525.

Adding to 525440324 its reverse (423044525), we get a palindrome (948484849).

The spelling of 525440324 in words is "five hundred twenty-five million, four hundred forty thousand, three hundred twenty-four".