636317341 has 6 divisors (see below), whose sum is σ = 699423326. Its totient is φ = 578470200.

The previous prime is 636317321. The next prime is 636317369. The reversal of 636317341 is 143713636.

It can be written as a sum of positive squares in only one way, i.e., 409212441 + 227104900 = 20229^2 + 15070^2 .

It is not a de Polignac number, because 636317341 - 2¹¹ = 636315293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 636317297 and 636317306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (636317321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2629290 + ... + 2629531.

Almost surely, 2^636317341 is an apocalyptic number.

It is an amenable number.

636317341 is a deficient number, since it is larger than the sum of its proper divisors (63105985).

636317341 is a wasteful number, since it uses less digits than its factorization.

636317341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5258843 (or 5258832 counting only the distinct ones).

The product of its digits is 27216, while the sum is 34.

The square root of 636317341 is about 25225.3313357823. The cubic root of 636317341 is about 860.1177687106.

The spelling of 636317341 in words is "six hundred thirty-six million, three hundred seventeen thousand, three hundred forty-one".