524521504 has 96 divisors (see below), whose sum is σ = 1149845760. Its totient is φ = 234012672.

The previous prime is 524521499. The next prime is 524521507. The reversal of 524521504 is 405125425.

It is not an unprimeable number, because it can be changed into a prime (524521507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2717632 + ... + 2717824.

It is an arithmetic number, because the mean of its divisors is an integer number (11977560).

Almost surely, 2^524521504 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 524521504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574922880).

524521504 is an abundant number, since it is smaller than the sum of its proper divisors (625324256).

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

524521504 is a wasteful number, since it uses less digits than its factorization.

524521504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 524521504 is about 22902.4344557516. The cubic root of 524521504 is about 806.4691630704.

Adding to 524521504 its reverse (405125425), we get a palindrome (929646929).

It can be divided in two parts, 52452 and 1504, that added together give a triangular number (53956 = T₃₂₈).

The spelling of 524521504 in words is "five hundred twenty-four million, five hundred twenty-one thousand, five hundred four".