52531250013 has 48 divisors (see below), whose sum is σ = 84349279872. Its totient is φ = 31234896000.

The previous prime is 52531249987. The next prime is 52531250029. The reversal of 52531250013 is 31005213525.

It is a happy number.

52531250013 is a `hidden beast` number, since 525 + 3 + 125 + 0 + 0 + 13 = 666.

It is not a de Polignac number, because 52531250013 - 2⁹ = 52531249501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52531252013) 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 47 ways as a sum of consecutive naturals, for example, 2386528 + ... + 2408438.

It is an arithmetic number, because the mean of its divisors is an integer number (1757276664).

Almost surely, 2^52531250013 is an apocalyptic number.

It is an amenable number.

52531250013 is a deficient number, since it is larger than the sum of its proper divisors (31818029859).

52531250013 is a wasteful number, since it uses less digits than its factorization.

52531250013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22386 (or 22383 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 52531250013 its reverse (31005213525), we get a palindrome (83536463538).

The spelling of 52531250013 in words is "fifty-two billion, five hundred thirty-one million, two hundred fifty thousand, thirteen".