252310520213 has 4 divisors (see below), whose sum is σ = 259129723500. Its totient is φ = 245491316928.

The previous prime is 252310520141. The next prime is 252310520291. The reversal of 252310520213 is 312025013252.

It is a happy number.

252310520213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 242889294244 + 9421225969 = 492838^2 + 97063^2 .

It is a cyclic number.

It is not a de Polignac number, because 252310520213 - 2¹⁶ = 252310454677 is a prime.

It is a super-2 number, since 2×252310520213² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252310520713) 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 3 ways as a sum of consecutive naturals, for example, 3409601588 + ... + 3409601661.

It is an arithmetic number, because the mean of its divisors is an integer number (64782430875).

Almost surely, 2^252310520213 is an apocalyptic number.

It is an amenable number.

252310520213 is a deficient number, since it is larger than the sum of its proper divisors (6819203287).

252310520213 is an equidigital number, since it uses as much as digits as its factorization.

252310520213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6819203286.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 252310520213 its reverse (312025013252), we get a palindrome (564335533465).

The spelling of 252310520213 in words is "two hundred fifty-two billion, three hundred ten million, five hundred twenty thousand, two hundred thirteen".