828585005513 has 4 divisors (see below), whose sum is σ = 828596322948. Its totient is φ = 828573688080.

The previous prime is 828585005509. The next prime is 828585005537. The reversal of 828585005513 is 315500585828.

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 175651515664 + 652933489849 = 419108^2 + 808043^2 .

It is a cyclic number.

It is not a de Polignac number, because 828585005513 - 2² = 828585005509 is a prime.

It is a super-2 number, since 2×828585005513² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (828585005113) 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 3 ways as a sum of consecutive naturals, for example, 5548178 + ... + 5695563.

It is an arithmetic number, because the mean of its divisors is an integer number (207149080737).

Almost surely, 2^828585005513 is an apocalyptic number.

It is an amenable number.

828585005513 is a deficient number, since it is larger than the sum of its proper divisors (11317435).

828585005513 is a wasteful number, since it uses less digits than its factorization.

828585005513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11317434.

The product of its (nonzero) digits is 1920000, while the sum is 50.

The spelling of 828585005513 in words is "eight hundred twenty-eight billion, five hundred eighty-five million, five thousand, five hundred thirteen".