523047530 has 16 divisors (see below), whose sum is σ = 943302024. Its totient is φ = 208815360.

The previous prime is 523047529. The next prime is 523047533. The reversal of 523047530 is 35740325.

It can be written as a sum of positive squares in 4 ways, for example, as 366071689 + 156975841 = 19133^2 + 12529^2 .

It is a junction number, because it is equal to n+sod(n) for n = 523047493 and 523047502.

It is not an unprimeable number, because it can be changed into a prime (523047533) 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, 44987 + ... + 55406.

Almost surely, 2^523047530 is an apocalyptic number.

523047530 is a deficient number, since it is larger than the sum of its proper divisors (420254494).

523047530 is a wasteful number, since it uses less digits than its factorization.

523047530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100921.

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 523047530 is about 22870.2323993439. The cubic root of 523047530 is about 805.7130264189.

Adding to 523047530 its reverse (35740325), we get a palindrome (558787855).

The spelling of 523047530 in words is "five hundred twenty-three million, forty-seven thousand, five hundred thirty".