513353302211513 has 4 divisors (see below), whose sum is σ = 513359542836708. Its totient is φ = 513347061586320.

The previous prime is 513353302211461. The next prime is 513353302211521. The reversal of 513353302211513 is 315112203353315.

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 115283448162169 + 398069854049344 = 10737013^2 + 19951688^2 .

It is a cyclic number.

It is not a de Polignac number, because 513353302211513 - 2⁴⁰ = 512253790583737 is a prime.

It is a super-2 number, since 2×513353302211513² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513353302211213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3120189206 + ... + 3120353727.

It is an arithmetic number, because the mean of its divisors is an integer number (128339885709177).

Almost surely, 2^{513353302211513} is an apocalyptic number.

It is an amenable number.

513353302211513 is a deficient number, since it is larger than the sum of its proper divisors (6240625195).

513353302211513 is an equidigital number, since it uses as much as digits as its factorization.

513353302211513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6240625194.

The product of its (nonzero) digits is 121500, while the sum is 38.

Adding to 513353302211513 its reverse (315112203353315), we get a palindrome (828465505564828).

The spelling of 513353302211513 in words is "five hundred thirteen trillion, three hundred fifty-three billion, three hundred two million, two hundred eleven thousand, five hundred thirteen".