52015143313 has 6 divisors (see below), whose sum is σ = 60507411666. Its totient is φ = 44584408512.

The previous prime is 52015143311. The next prime is 52015143329. The reversal of 52015143313 is 31334151025.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 47076848784 + 4938294529 = 216972^2 + 70273^2 .

It is not a de Polignac number, because 52015143313 - 2¹ = 52015143311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52015143311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 530766720 + ... + 530766817.

It is an arithmetic number, because the mean of its divisors is an integer number (10084568611).

Almost surely, 2^52015143313 is an apocalyptic number.

It is an amenable number.

52015143313 is a deficient number, since it is larger than the sum of its proper divisors (8492268353).

52015143313 is a wasteful number, since it uses less digits than its factorization.

52015143313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061533551 (or 1061533544 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 52015143313 its reverse (31334151025), we get a palindrome (83349294338).

The spelling of 52015143313 in words is "fifty-two billion, fifteen million, one hundred forty-three thousand, three hundred thirteen".