52512756413 has 8 divisors (see below), whose sum is σ = 56556899448. Its totient is φ = 48469284864.

The previous prime is 52512756403. The next prime is 52512756433. The reversal of 52512756413 is 31465721525.

It can be written as a sum of positive squares in 4 ways, for example, as 6971916004 + 45540840409 = 83498^2 + 213403^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52512756413 - 2⁶ = 52512756349 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 (52512756403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845 + ... + 324077.

It is an arithmetic number, because the mean of its divisors is an integer number (7069612431).

Almost surely, 2^52512756413 is an apocalyptic number.

It is an amenable number.

52512756413 is a deficient number, since it is larger than the sum of its proper divisors (4044143035).

52512756413 is a wasteful number, since it uses less digits than its factorization.

52512756413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335743.

The product of its digits is 252000, while the sum is 41.

The spelling of 52512756413 in words is "fifty-two billion, five hundred twelve million, seven hundred fifty-six thousand, four hundred thirteen".