506317265 has 12 divisors (see below), whose sum is σ = 627818292. Its totient is φ = 391983840.

The previous prime is 506317261. The next prime is 506317267. The reversal of 506317265 is 562713605.

It can be written as a sum of positive squares in 2 ways, for example, as 97792321 + 408524944 = 9889^2 + 20212^2 .

It is not a de Polignac number, because 506317265 - 2² = 506317261 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506317261) 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, 47882 + ... + 57491.

It is an arithmetic number, because the mean of its divisors is an integer number (52318191).

Almost surely, 2^506317265 is an apocalyptic number.

It is an amenable number.

506317265 is a deficient number, since it is larger than the sum of its proper divisors (121501027).

506317265 is a wasteful number, since it uses less digits than its factorization.

506317265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105440 (or 105409 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 506317265 is about 22501.4947281286. The cubic root of 506317265 is about 797.0292239551.

The spelling of 506317265 in words is "five hundred six million, three hundred seventeen thousand, two hundred sixty-five".