52015245313 has 4 divisors (see below), whose sum is σ = 52203026260. Its totient is φ = 51827464368.

The previous prime is 52015245307. The next prime is 52015245323. The reversal of 52015245313 is 31354251025.

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 22497600064 + 29517645249 = 149992^2 + 171807^2 .

It is a cyclic number.

It is not a de Polignac number, because 52015245313 - 2²⁹ = 51478374401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52015245323) 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, 93890058 + ... + 93890611.

It is an arithmetic number, because the mean of its divisors is an integer number (13050756565).

Almost surely, 2^52015245313 is an apocalyptic number.

It is an amenable number.

52015245313 is a deficient number, since it is larger than the sum of its proper divisors (187780947).

52015245313 is a wasteful number, since it uses less digits than its factorization.

52015245313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187780946.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 52015245313 its reverse (31354251025), we get a palindrome (83369496338).

The spelling of 52015245313 in words is "fifty-two billion, fifteen million, two hundred forty-five thousand, three hundred thirteen".