523506752 has 14 divisors (see below), whose sum is σ = 1038833838. Its totient is φ = 261753344.

The previous prime is 523506751. The next prime is 523506773. The reversal of 523506752 is 257605325.

It can be written as a sum of positive squares in only one way, i.e., 352838656 + 170668096 = 18784^2 + 13064^2 .

It is not an unprimeable number, because it can be changed into a prime (523506751) 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 as a sum of consecutive naturals, namely, 4089833 + ... + 4089960.

It is an arithmetic number, because the mean of its divisors is an integer number (74202417).

Almost surely, 2^523506752 is an apocalyptic number.

It is an amenable number.

523506752 is a deficient number, since it is larger than the sum of its proper divisors (515327086).

523506752 is an equidigital number, since it uses as much as digits as its factorization.

523506752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8179805 (or 8179795 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 523506752 is about 22880.2699284777. The cubic root of 523506752 is about 805.9487557394.

The spelling of 523506752 in words is "five hundred twenty-three million, five hundred six thousand, seven hundred fifty-two".