523317249 has 24 divisors (see below), whose sum is σ = 930343232. Its totient is φ = 276035040.

The previous prime is 523317211. The next prime is 523317253. The reversal of 523317249 is 942713325.

It is not a de Polignac number, because 523317249 - 2⁸ = 523316993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (523317299) 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 23 ways as a sum of consecutive naturals, for example, 318667 + ... + 320304.

Almost surely, 2^523317249 is an apocalyptic number.

It is an amenable number.

523317249 is a deficient number, since it is larger than the sum of its proper divisors (407025983).

523317249 is a wasteful number, since it uses less digits than its factorization.

523317249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638997 (or 638994 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 523317249 is about 22876.1283656129. The cubic root of 523317249 is about 805.8514961600.

The spelling of 523317249 in words is "five hundred twenty-three million, three hundred seventeen thousand, two hundred forty-nine".