52317313 has 4 divisors (see below), whose sum is σ = 55394820. Its totient is φ = 49239808.

The previous prime is 52317311. The next prime is 52317319. The reversal of 52317313 is 31371325.

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 40538689 + 11778624 = 6367^2 + 3432^2 .

It is a cyclic number.

It is not a de Polignac number, because 52317313 - 2¹ = 52317311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52317311) 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 3 ways as a sum of consecutive naturals, for example, 1538728 + ... + 1538761.

It is an arithmetic number, because the mean of its divisors is an integer number (13848705).

Almost surely, 2^52317313 is an apocalyptic number.

It is an amenable number.

52317313 is a deficient number, since it is larger than the sum of its proper divisors (3077507).

52317313 is a wasteful number, since it uses less digits than its factorization.

52317313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077506.

The product of its digits is 1890, while the sum is 25.

The square root of 52317313 is about 7233.0707863258. The cubic root of 52317313 is about 374.0087909131.

Adding to 52317313 its reverse (31371325), we get a palindrome (83688638).

It can be divided in two parts, 5231 and 7313, that added together give a square (12544 = 112²).

The spelling of 52317313 in words is "fifty-two million, three hundred seventeen thousand, three hundred thirteen".