523506472 has 8 divisors (see below), whose sum is σ = 981574650. Its totient is φ = 261753232.

The previous prime is 523506439. The next prime is 523506499. The reversal of 523506472 is 274605325.

It can be written as a sum of positive squares in only one way, i.e., 497557636 + 25948836 = 22306^2 + 5094^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32719147 + ... + 32719162.

Almost surely, 2^523506472 is an apocalyptic number.

It is an amenable number.

523506472 is a deficient number, since it is larger than the sum of its proper divisors (458068178).

523506472 is a wasteful number, since it uses less digits than its factorization.

523506472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65438315 (or 65438311 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 523506472 is about 22880.2638096679. The cubic root of 523506472 is about 805.9486120509.

The spelling of 523506472 in words is "five hundred twenty-three million, five hundred six thousand, four hundred seventy-two".