508383313 has 4 divisors (see below), whose sum is σ = 520782948. Its totient is φ = 495983680.

The previous prime is 508383307. The next prime is 508383341. The reversal of 508383313 is 313383805.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50936769 + 457446544 = 7137^2 + 21388^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-508383313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (508383373) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 6199756 + ... + 6199837.

It is an arithmetic number, because the mean of its divisors is an integer number (130195737).

Almost surely, 2^508383313 is an apocalyptic number.

It is an amenable number.

508383313 is a deficient number, since it is larger than the sum of its proper divisors (12399635).

508383313 is a wasteful number, since it uses less digits than its factorization.

508383313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12399634.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 508383313 is about 22547.3571178531. The cubic root of 508383313 is about 798.1118560004. Note that the first 3 decimals are identical.

The spelling of 508383313 in words is "five hundred eight million, three hundred eighty-three thousand, three hundred thirteen".