520316253 has 12 divisors (see below), whose sum is σ = 756547168. Its totient is φ = 344579400.

The previous prime is 520316249. The next prime is 520316257. The reversal of 520316253 is 352613025.

520316253 is a `hidden beast` number, since 5 + 2 + 0 + 31 + 625 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (520316249) and next prime (520316257).

It is not a de Polignac number, because 520316253 - 2² = 520316249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520316257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190075 + ... + 192792.

Almost surely, 2^520316253 is an apocalyptic number.

It is an amenable number.

520316253 is a deficient number, since it is larger than the sum of its proper divisors (236230915).

520316253 is a wasteful number, since it uses less digits than its factorization.

520316253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383024 (or 383021 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 520316253 is about 22810.4417537232. The cubic root of 520316253 is about 804.3081400371.

Adding to 520316253 its reverse (352613025), we get a palindrome (872929278).

The spelling of 520316253 in words is "five hundred twenty million, three hundred sixteen thousand, two hundred fifty-three".