52135204351 has 4 divisors (see below), whose sum is σ = 52148174104. Its totient is φ = 52122234600.

The previous prime is 52135204327. The next prime is 52135204379. The reversal of 52135204351 is 15340253125.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52135204351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52135204321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6478845 + ... + 6486886.

It is an arithmetic number, because the mean of its divisors is an integer number (13037043526).

Almost surely, 2^52135204351 is an apocalyptic number.

52135204351 is a deficient number, since it is larger than the sum of its proper divisors (12969753).

52135204351 is a wasteful number, since it uses less digits than its factorization.

52135204351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12969752.

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

Adding to 52135204351 its reverse (15340253125), we get a palindrome (67475457476).

The spelling of 52135204351 in words is "fifty-two billion, one hundred thirty-five million, two hundred four thousand, three hundred fifty-one".