52520313 has 8 divisors (see below), whose sum is σ = 73712800. Its totient is φ = 33170688.

The previous prime is 52520287. The next prime is 52520317. The reversal of 52520313 is 31302525.

52520313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52520313 - 2¹⁶ = 52454777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52520313.

It is not an unprimeable number, because it can be changed into a prime (52520317) 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 7 ways as a sum of consecutive naturals, for example, 460648 + ... + 460761.

It is an arithmetic number, because the mean of its divisors is an integer number (9214100).

Almost surely, 2^52520313 is an apocalyptic number.

It is an amenable number.

52520313 is a deficient number, since it is larger than the sum of its proper divisors (21192487).

52520313 is a wasteful number, since it uses less digits than its factorization.

52520313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921431.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 52520313 is about 7247.0899677043. The cubic root of 52520313 is about 374.4919056624.

Adding to 52520313 its reverse (31302525), we get a palindrome (83822838).

The spelling of 52520313 in words is "fifty-two million, five hundred twenty thousand, three hundred thirteen".